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@ 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 git.master, git.master_jit, rfc.property-hooks: metric: CPC, sign: >=, digit: 0, time: Yesterday 'CPC' '>=' '0' 'Yesterday' ---------- metric: CPC (Link), sign: >, digit: 100, time: Today 'CPC (Link)' '>' '100' 'Today' ----------

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2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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