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run code in 300+ PHP versions simultaneously

@ 2018-12-01T11:55:07Z

<?php
$strings = [
    'CPC >= $0 (Yesterday)',
    'CPC (Link) > $100 (Today)'
];

foreach ($strings as $string) {
    list($metric, $sign, $digit, $time) = preg_match('~([\w ()]+) ([><]=?) \$(\d+) \(([^)]+)\)~', $string, $out) ? array_slice($out, 1) : ['', '', '', ''];
    
    echo "metric: $metric, sign: $sign, digit: $digit, time: $time\n";
    var_export($metric);  // notice no leading or trailing spaces / unwanted characters in the output
    echo "\n";
    var_export($sign);    // notice no leading or trailing spaces / unwanted characters in the output
    echo "\n";
    var_export($digit);   // notice no leading or trailing spaces / unwanted characters in the output
    echo "\n";
    var_export($time);    // notice no leading or trailing spaces / unwanted characters in the output
    echo "\n----------\n";
}

Output for 5.6.38, 7.1.26 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 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 - 8.5.1: metric: CPC, sign: >=, digit: 0, time: Yesterday 'CPC' '>=' '0' 'Yesterday' ---------- metric: CPC (Link), sign: >, digit: 100, time: Today 'CPC (Link)' '>' '100' 'Today' ----------
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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