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<?php declare(strict_types=1); function stringContains(string $needle, string $haystack): bool { return strpos($haystack, $needle) !== false; } assert(stringContains('Ahoy', 'Ahoy World!') === true); assert(stringContains('Hello', 'Ahoy World!') === false); function stringStartsWith(string $needle, string $haystack): bool { return strpos($haystack, $needle) === 0; } assert(stringStartsWith('Ahoy', 'Ahoy World!') === true); assert(stringStartsWith('Hello', 'AhoyWorld') === false); function stringEndsWith(string $needle, string $haystack): bool { return strpos($haystack, $needle) === strlen($haystack) - strlen($needle); } assert(stringEndsWith('World!', 'Ahoy World!') === true); assert(stringEndsWith('Ahoy', 'Ahoy World!') === false);
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0

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