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<?php function str_contains_old(string $hay, string $needle): bool { return mb_stripos($hay, $needle) !== false; } $str1 = 'Hello world!'; $str2 = 'hello'; var_dump(str_contains_old($str1, $str2)); // gives bool(true) // str_contains var_dump(str_contains($str1, $str2)); // gives bool(false) $str1 = 'Część'; $str2 = 'cZĘŚĆ'; var_dump(str_contains_old($str1, $str2)); // gives bool(true) // str_contains var_dump(str_contains($str1, $str2)); // gives bool(false) $str1 = 'Część'; $str2 = 'czesc'; var_dump(str_contains_old($str1, $str2)); // gives bool(false) // str_contains var_dump(str_contains($str1, $str2)); // gives bool(false)
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
bool(true) bool(false) bool(true) bool(false) bool(false) bool(false)
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.4.0 - 7.4.33
bool(true) Fatal error: Uncaught Error: Call to undefined function str_contains() in /in/lprsk:12 Stack trace: #0 {main} thrown in /in/lprsk on line 12
Process exited with code 255.

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