@ 2020-06-26T10:17:13Z <?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);
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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 - 8.2.18 , 8.3.0 - 8.3.4 , 8.3.6 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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189.94 ms | 402 KiB | 185 Q