{"id":1191,"date":"2026-03-28T09:06:47","date_gmt":"2026-03-28T06:06:47","guid":{"rendered":"https:\/\/allinonewpsettings.com\/blog\/?p=1191"},"modified":"2026-08-04T18:13:33","modified_gmt":"2026-08-04T18:13:33","slug":"increase-wordpress-memory-limit","status":"publish","type":"post","link":"https:\/\/allinonewpsettings.com\/blog\/increase-wordpress-memory-limit\/","title":{"rendered":"Increase the WordPress Memory Limit Safely"},"content":{"rendered":"<p>A WordPress memory error may appear during a plugin installation, product import, image resize, or backup. \u201cAllowed memory size exhausted\u201d refers to the working memory available to one PHP request, not to free disk space.<\/p>\n<p>Raising the limit can let a legitimate heavy task finish, but an arbitrarily high value may only postpone a plugin or query problem. First identify the effective PHP limit and reproduce the failing action. Then change the setting that actually controls the site and repeat the same test.<\/p>\n<div class=\"aiows-article-toc\" style=\"margin:28px 0;padding:20px 22px;border:1px solid #dcdcde;border-radius:12px;background:#fafafa;\"><strong style=\"display:block;margin-bottom:10px;font-size:18px;\">Table of contents<\/strong><\/p>\n<ol style=\"margin:0 0 0 20px;\">\n<li><a href=\"#aiows-section-1191-what-is-the-wordpress-memory-limit\" style=\"color:inherit;text-decoration:underline;text-underline-offset:2px;\">What is the WordPress memory limit?<\/a><\/li>\n<li><a href=\"#aiows-section-1191-when-should-you-increase-it\" style=\"color:inherit;text-decoration:underline;text-underline-offset:2px;\">When should you increase it?<\/a><\/li>\n<li><a href=\"#aiows-section-1191-the-difference-between-wordpress-and-php-limits\" style=\"color:inherit;text-decoration:underline;text-underline-offset:2px;\">The difference between WordPress and PHP limits<\/a><\/li>\n<li><a href=\"#aiows-section-1191-what-to-check-before-changing-anything\" style=\"color:inherit;text-decoration:underline;text-underline-offset:2px;\">What to check before changing anything<\/a><\/li>\n<li><a href=\"#aiows-section-1191-increase-the-limit-in-your-hosting-panel\" style=\"color:inherit;text-decoration:underline;text-underline-offset:2px;\">Increase the limit in your hosting panel<\/a><\/li>\n<li><a href=\"#aiows-section-1191-increase-it-through-wp-config-php\" style=\"color:inherit;text-decoration:underline;text-underline-offset:2px;\">Increase it through wp-config.php<\/a><\/li>\n<li><a href=\"#aiows-section-1191-use-php-ini-or-user-ini\" style=\"color:inherit;text-decoration:underline;text-underline-offset:2px;\">Use php.ini or .user.ini<\/a><\/li>\n<li><a href=\"#aiows-section-1191-verify-the-effective-value\" style=\"color:inherit;text-decoration:underline;text-underline-offset:2px;\">Verify the effective value<\/a><\/li>\n<li><a href=\"#aiows-section-1191-what-to-do-when-more-memory-does-not-fix-the-problem\" style=\"color:inherit;text-decoration:underline;text-underline-offset:2px;\">What to do when more memory does not fix the problem<\/a><\/li>\n<li><a href=\"#aiows-section-1191-wordpress-memory-limit-the-practical-recommendation\" style=\"color:inherit;text-decoration:underline;text-underline-offset:2px;\">WordPress memory limit: the practical recommendation<\/a><\/li>\n<\/ol>\n<\/div>\n<h2 id=\"aiows-section-1191-what-is-the-wordpress-memory-limit\" style=\"scroll-margin-top:96px;\">What is the WordPress memory limit?<\/h2>\n<p>WordPress runs on PHP. Every page view, plugin action, image resize, update, and import needs temporary working memory while PHP executes the code. The <strong>memory limit<\/strong> defines how much RAM one PHP request may use before the server stops it.<\/p>\n<p>Think of it as a workbench. A larger bench gives you room for a bigger job, but it does not make a badly organised job efficient. If a plugin keeps loading unnecessary data, giving it more space may only delay the next failure.<\/p>\n<p>The memory limit is not the same as disk storage. A hosting account can have many gigabytes free and still stop a request at 128 MB because that is the active PHP limit.<\/p>\n<h2 id=\"aiows-section-1191-when-should-you-increase-it\" style=\"scroll-margin-top:96px;\">When should you increase it?<\/h2>\n<p>Not every slow page or blank screen is a memory problem. Check the limit when the error message specifically mentions exhausted memory or when a repeatable heavy task fails.<\/p>\n<ul>\n<li>A product import stops at the same stage.<\/li>\n<li>A large image cannot be processed.<\/li>\n<li>A backup or migration job ends unexpectedly.<\/li>\n<li>A plugin administration screen opens with a fatal error.<\/li>\n<li>WordPress shows <code>Allowed memory size of ... bytes exhausted<\/code>.<\/li>\n<\/ul>\n<p>Normal pages may run comfortably with 128 MB, while importing 5,000 WooCommerce products needs more. Increasing the limit can help, but splitting the import into smaller batches may be just as important.<\/p>\n<h2 id=\"aiows-section-1191-the-difference-between-wordpress-and-php-limits\" style=\"scroll-margin-top:96px;\">The difference between WordPress and PHP limits<\/h2>\n<p>Several values can appear on the same site. PHP\u2019s <code>memory_limit<\/code> is the server-level ceiling. WordPress can request memory through <code>WP_MEMORY_LIMIT<\/code> and <code>WP_MAX_MEMORY_LIMIT<\/code>, but it cannot exceed a limit enforced by the server.<\/p>\n<ul>\n<li><strong>PHP memory_limit:<\/strong> the maximum available to one PHP request.<\/li>\n<li><strong>WP_MEMORY_LIMIT:<\/strong> the amount WordPress requests for normal front-end work.<\/li>\n<li><strong>WP_MAX_MEMORY_LIMIT:<\/strong> a higher request used for certain administration tasks.<\/li>\n<\/ul>\n<p>If PHP is capped at 128 MB, adding 512 MB to <code>wp-config.php<\/code> will not create the missing memory. The hosting configuration must allow the higher value.<\/p>\n<h2 id=\"aiows-section-1191-what-to-check-before-changing-anything\" style=\"scroll-margin-top:96px;\">What to check before changing anything<\/h2>\n<p>Open <strong>Tools \u2192 Site Health \u2192 Info \u2192 Server<\/strong> and record the PHP memory limit shown by WordPress. Then note the exact action that fails. \u201cThe site crashes sometimes\u201d is difficult to investigate. \u201cA 300 MB product import fails after two minutes\u201d gives you a reproducible test.<\/p>\n<p>Also save a copy of any file you plan to edit. Downloading <code>wp-config.php<\/code>, <code>php.ini<\/code>, or <code>.user.ini<\/code> gives you a quick way back if a typing mistake takes the site offline.<\/p>\n<h2 id=\"aiows-section-1191-increase-the-limit-in-your-hosting-panel\" style=\"scroll-margin-top:96px;\">Increase the limit in your hosting panel<\/h2>\n<p>For most site owners, the hosting panel is the simplest method. Plesk, cPanel, and many managed dashboards include a PHP settings screen for each domain.<\/p>\n<ol>\n<li>Sign in to the hosting control panel.<\/li>\n<li>Select the domain that runs WordPress.<\/li>\n<li>Open PHP Settings, PHP Options, or the equivalent page.<\/li>\n<li>Find <code>memory_limit<\/code> and choose a reasonable value, such as 256M.<\/li>\n<li>Save the change and restart PHP-FPM only if the panel asks you to do so.<\/li>\n<\/ol>\n<p>A standard site may work well with 256 MB. A large store, page builder, migration, or media workflow can need more. Use the lowest value that completes the real task reliably instead of selecting the largest value available.<\/p>\n<h2 id=\"aiows-section-1191-increase-it-through-wp-config-php\" style=\"scroll-margin-top:96px;\">Increase it through wp-config.php<\/h2>\n<p>If the hosting panel does not expose the setting, tell WordPress how much memory to request. Open <code>wp-config.php<\/code> in the WordPress root directory and add these lines before the comment that says to stop editing:<\/p>\n<pre><code>define( 'WP_MEMORY_LIMIT', '256M' );\ndefine( 'WP_MAX_MEMORY_LIMIT', '512M' );<\/code><\/pre>\n<p>The first value applies to normal WordPress requests. The second is available for heavier administration work. These are examples, not universal requirements. The active PHP limit shown at this stage tells you which configuration layer is currently in control.<\/p>\n<p>Save the file and open both the front end and wp-admin. If a syntax error causes a blank page, restore the backup and check the quotation marks and semicolons.<\/p>\n<h2 id=\"aiows-section-1191-use-php-ini-or-user-ini\" style=\"scroll-margin-top:96px;\">Use php.ini or .user.ini<\/h2>\n<p>With suitable server access, you can change PHP directly:<\/p>\n<pre><code>memory_limit = 256M<\/code><\/pre>\n<p>Some servers read this from <code>php.ini<\/code>; shared PHP-FPM environments often support <code>.user.ini<\/code>. The correct file and directory depend on the host. Editing a configuration file used by another PHP version will have no effect.<\/p>\n<p>This method is useful for experienced administrators. On managed hosting, the control panel or support team is usually the safer route.<\/p>\n<h2 id=\"aiows-section-1191-verify-the-effective-value\" style=\"scroll-margin-top:96px;\">Verify the effective value<\/h2>\n<p>Saving a number in a file does not prove that PHP accepted it. Return to Site Health and check the value WordPress reports. Then repeat the same action that failed before. Keep the import file, image, or backup settings unchanged so the comparison remains meaningful.<\/p>\n<p>The official WordPress wp-config.php documentation explains the memory constants. Hosting providers may apply additional limits, so their documentation still matters.<\/p>\n<h2 id=\"aiows-section-1191-what-to-do-when-more-memory-does-not-fix-the-problem\" style=\"scroll-margin-top:96px;\">What to do when more memory does not fix the problem<\/h2>\n<p>If the request still fails, or quickly consumes the new limit, look for the cause rather than doubling the number again. A plugin may load every product at once, an import may use batches that are too large, or image processing may be working with files far bigger than the site needs. If the memory limit error returns after the change, the log usually points to the task that still needs attention.<\/p>\n<ul>\n<li>Disable the suspected component on a staging site and repeat the request.<\/li>\n<li>Split imports, exports, and backups into smaller batches.<\/li>\n<li>Resize unusually large images before uploading them.<\/li>\n<li>Read the PHP error log around the time of the failure.<\/li>\n<li>Check whether scheduled scans, backups, or cron jobs run at the same time.<\/li>\n<\/ul>\n<p>If a task fills 256 MB and then fills 512 MB soon afterwards, it probably has a growing workload or inefficient loop. More memory may postpone the symptom, but it will not remove the underlying problem.<\/p>\n<section aria-labelledby=\"aiows-cta-1191\" class=\"aiows-blog-cta\" style=\"margin:38px 0;padding:28px;border:1px solid #cddcff;border-radius:16px;background:#f6f9ff;\">\n<p style=\"margin:0 0 8px;font-size:13px;font-weight:800;letter-spacing:.05em;color:#1746a2;\">ALL IN ONE WP SETTINGS \u00b7 PHP LIMITS<\/p>\n<h2 id=\"aiows-cta-1191\" style=\"margin:0 0 14px;scroll-margin-top:96px;\">Manage PHP limits from one clear WordPress screen<\/h2>\n<p>A value written to <code>wp-config.php<\/code> is only a request; the active PHP environment may impose a lower ceiling. AIOWS PHP Limits displays the limits WordPress currently receives, which helps distinguish a saved setting from the effective result.<\/p>\n<p>Where the server environment supports it, the module can attempt changes to memory, upload, POST, execution-time, and input limits. The same screen can then be used to check whether PHP accepted the new value.<\/p>\n<p>AIOWS cannot override a hosting policy or make inefficient code memory-efficient. If the active value remains unchanged, use the reported information when checking the relevant PHP configuration or contacting the host.<\/p>\n<ul>\n<li>View the effective limits for this WordPress installation.<\/li>\n<li>Attempt supported changes without editing theme files.<\/li>\n<li>Check the active value again after saving.<\/li>\n<li>Share clear diagnostic values with hosting support.<\/li>\n<\/ul>\n<p style=\"margin-bottom:0;\"><a href=\"https:\/\/allinonewpsettings.com\/features\/php-limits\" rel=\"noopener noreferrer\" style=\"display:inline-block;padding:11px 17px;margin:6px 8px 0 0;border-radius:8px;background:#1557ff;color:#fff;text-decoration:none;font-weight:700;\" target=\"_blank\">Explore PHP Limits<\/a><a href=\"https:\/\/allinonewpsettings.com\/pricing\" rel=\"noopener noreferrer\" style=\"display:inline-block;padding:10px 16px;margin:6px 8px 0 0;border:1px solid #1557ff;border-radius:8px;color:#1557ff;text-decoration:none;font-weight:700;background:#fff;\" target=\"_blank\">View pricing and trial options<\/a><\/p>\n<\/section>\n<h2 id=\"aiows-section-1191-wordpress-memory-limit-the-practical-recommendation\" style=\"scroll-margin-top:96px;\">WordPress memory limit: the practical recommendation<\/h2>\n<p>The safest way to change the <strong>WordPress memory limit<\/strong> is straightforward: find the effective value, identify the failing action, change one setting, and repeat the same test. That gives you evidence instead of guesswork.<\/p>\n<p>For related server limits, read the guides on <a href=\"https:\/\/allinonewpsettings.com\/blog\/how-to-fix-maximum-execution-time-exceeded-in-wordpress\/\" rel=\"noopener noreferrer\" target=\"_blank\">maximum execution time errors<\/a> and <a href=\"https:\/\/allinonewpsettings.com\/blog\/increase-maximum-upload-file-size-wordpress\/\" rel=\"noopener noreferrer\" target=\"_blank\">increasing the upload size<\/a>. The same principle applies: check the active value before editing several layers at once.<\/p>\n<h2 id=\"aiows-sources-1191\" style=\"scroll-margin-top:96px;\">Sources<\/h2>\n<ul class=\"aiows-article-sources\">\n<li><a href=\"https:\/\/developer.wordpress.org\/advanced-administration\/wordpress\/wp-config\/\" rel=\"noopener noreferrer\" target=\"_blank\">WordPress Developer Resources: Editing wp-config.php<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Find the effective PHP memory limit, change the layer that actually controls it, and retest the failing WordPress task before raising the value again.<\/p>\n","protected":false},"author":1,"featured_media":7443,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[128],"tags":[],"class_list":["post-1191","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php-limits"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Increase the WordPress Memory Limit Safely<\/title>\n<meta name=\"description\" content=\"Understand WordPress memory errors, find the effective PHP limit, choose the right method, and verify the change without guessing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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