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ActionScheduler_Compatibility::raise_memory_limit() WC 1.0

Attempts to raise the PHP memory limit for memory intensive processes.

Only allows raising the existing limit and prevents lowering it.

Wrapper for wp_raise_memory_limit(), added in WordPress v4.6.0

This is a method of the class: ActionScheduler_Compatibility

Hooks from the method
Return

true/false/Int/String. The limit that was set or false on failure.

Usage

$var = ActionScheduler_Compatibility::raise_memory_limit();

Code of ActionScheduler Compatibility::raise memory limit: woocommerce/packages/action-scheduler/classes/ActionScheduler_Compatibility.php WC 4.1.0

<?php
public static function raise_memory_limit() {
	if ( function_exists( 'wp_raise_memory_limit' ) ) {
		return wp_raise_memory_limit( 'admin' );
	}

	$current_limit     = @ini_get( 'memory_limit' );
	$current_limit_int = self::convert_hr_to_bytes( $current_limit );

	if ( -1 === $current_limit_int ) {
		return false;
	}

	$wp_max_limit       = WP_MAX_MEMORY_LIMIT;
	$wp_max_limit_int   = self::convert_hr_to_bytes( $wp_max_limit );
	$filtered_limit     = apply_filters( 'admin_memory_limit', $wp_max_limit );
	$filtered_limit_int = self::convert_hr_to_bytes( $filtered_limit );

	if ( -1 === $filtered_limit_int || ( $filtered_limit_int > $wp_max_limit_int && $filtered_limit_int > $current_limit_int ) ) {
		if ( false !== @ini_set( 'memory_limit', $filtered_limit ) ) {
			return $filtered_limit;
		} else {
			return false;
		}
	} elseif ( -1 === $wp_max_limit_int || $wp_max_limit_int > $current_limit_int ) {
		if ( false !== @ini_set( 'memory_limit', $wp_max_limit ) ) {
			return $wp_max_limit;
		} else {
			return false;
		}
	}
	return false;
}