Online PHP editor | output for 41ebV

@ 2022-04-24T10:07:41Z

<?php

function incorrect(int $flags) {
    // Would work in C and other languages
    if ($flags & LOCK_SH) {
        echo "LOCK_SH\n";
    } elseif($flags & LOCK_EX) {
        echo "LOCK_EX\n";
    } elseif($flags & LOCK_UN) {
        echo "LOCK_UN\n";
    }
}

function correct(int $flags) {
    $mode = $flags & ~LOCK_NB;
    if ($mode === LOCK_SH) {
        echo "LOCK_SH\n";
    } elseif($mode === LOCK_EX) {
        echo "LOCK_EX\n";
    } elseif($mode === LOCK_UN) {
        echo "LOCK_UN\n";
    }
}

incorrect(LOCK_UN);
correct(LOCK_UN);

Output for 7.4.0 - 7.4.33, 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: LOCK_SH LOCK_UN
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.

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