3v4l.org

run code in 300+ PHP versions simultaneously
<?php function braceCheck($values) { for ($i = 0; $i <= count($values) - 1; $i++) { $braces = str_split($values[$i]); $values[$i] = isValid($braces); } return $values; } function isValid($braces) { $available = ['{' => '}', '(' => ')', '[' => ']']; $opened = []; $closed = []; for ($i = 0; $i <= count($braces) - 1; $i++) { if (in_array($braces[$i], array_keys($available))) { $opened[] = $braces[$i]; continue; } $closed[] = $braces[$i]; } var_dump($opened, $closed); return match($available, $opened, $closed); } function match($available, $opened, $closed) { $last_open = $opened[count($opened) - 1]; $opened = array_values($opened); $closed = array_values($closed); /* echo 'LAST OPEN: ' . $last_open . PHP_EOL; echo 'AVAILABLE: ' . $available[$last_open] . PHP_EOL; echo 'FIRST CLOSED: ' . $closed[0] . PHP_EOL; */ if (count($opened) !== count($closed)) { echo 'count off'; return 'NO'; } // Check for invalid nesting or non-consecutive braces if ($available[$last_open] !== $closed[0] && $available[$opened[0]] !== $closed[0]) { return 'NO'; } if (count($opened) >= 1) { $result = match( $available, array_slice($opened, 0, -1), array_slice($closed, 1) ); } return 'YES'; } $values = ['{}()[]', '{]}[']; var_dump(braceCheck($values)); ?>

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0000.01518.30
8.3.50.0060.00816.50
8.3.40.0110.01118.92
8.3.30.0070.00718.79
8.3.20.0000.00919.27
8.3.10.0080.00019.10
8.3.00.0080.00019.81
8.2.180.0160.00018.43
8.2.170.0110.00422.96
8.2.160.0040.01120.65
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0090.00019.64
8.2.120.0030.00526.35
8.2.110.0060.00322.14
8.2.100.0070.00417.78
8.2.90.0000.00817.63
8.2.80.0030.00518.64
8.2.70.0080.00017.79
8.2.60.0060.00317.80
8.2.50.0000.00818.10
8.2.40.0030.00520.93
8.2.30.0030.00319.21
8.2.20.0000.00717.80
8.2.10.0040.00417.99
8.2.00.0000.00719.23
8.1.280.0090.00625.92
8.1.270.0040.00424.00
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0040.00423.92
8.1.230.0060.00620.96
8.1.220.0050.00318.49
8.1.210.0000.00918.77
8.1.200.0050.00317.22
8.1.190.0000.00817.00
8.1.180.0000.00718.10
8.1.170.0080.00018.52
8.1.160.0080.00020.59
8.1.150.0000.00818.66
8.1.140.0080.00017.62
8.1.130.0070.00318.99
8.1.120.0000.00717.34
8.1.110.0040.00417.32
8.1.100.0000.00717.31
8.1.90.0000.00717.32
8.1.80.0050.00217.32
8.1.70.0070.00017.24
8.1.60.0040.00417.45
8.1.50.0000.00917.38
8.1.40.0030.00717.41
8.1.30.0000.00717.53
8.1.20.0040.00417.52
8.1.10.0000.00817.49
8.1.00.0000.00917.27
8.0.300.0070.00018.77
8.0.290.0070.00017.18
8.0.280.0070.00018.32
8.0.270.0000.00717.19
8.0.260.0070.00417.23
8.0.250.0070.00016.98
8.0.240.0050.00516.96
8.0.230.0000.00716.95
8.0.220.0040.00416.85
8.0.210.0000.00716.91
8.0.200.0060.00016.95
8.0.190.0050.00316.97
8.0.180.0050.00216.97
8.0.170.0030.00516.91
8.0.160.0000.00716.83
8.0.150.0080.00316.74
8.0.140.0070.00016.80
8.0.130.0030.00313.34
8.0.120.0040.00416.90
8.0.110.0030.00616.87
8.0.100.0040.00416.77
8.0.90.0050.00216.92
8.0.80.0090.01316.87
8.0.70.0000.00716.89
8.0.60.0060.00316.82
8.0.50.0040.00416.71
8.0.30.0130.00517.01
8.0.20.0040.01417.40
8.0.10.0040.00417.06
8.0.00.0080.01216.75
7.4.330.0020.00215.55
7.4.320.0060.00016.66
7.4.300.0030.00316.65
7.4.290.0070.00016.46
7.4.280.0050.00316.62
7.4.270.0030.00316.55
7.4.260.0000.00916.53
7.4.250.0030.00316.61
7.4.240.0000.00716.47
7.4.230.0000.00716.56
7.4.220.0080.00016.44
7.4.210.0080.00716.72
7.4.200.0080.00016.68
7.4.160.0100.00816.53
7.4.140.0180.00617.86
7.4.130.0120.00616.90
7.4.120.0100.01016.60
7.4.110.0140.00816.53
7.4.100.0060.01516.73
7.4.90.0130.01016.55
7.4.80.0030.01419.39
7.4.70.0100.01116.60
7.4.60.0060.01316.45
7.4.50.0070.00716.82
7.4.40.0140.01016.53
7.4.00.0070.00915.22
7.3.330.0000.00513.43
7.3.320.0040.00413.46
7.3.310.0080.00016.49
7.3.300.0070.00016.46
7.3.290.0040.00416.42
7.3.280.0050.01016.50
7.3.260.0100.01116.53
7.3.240.0090.00816.50
7.3.230.0030.01716.50
7.3.210.0070.01616.44
7.3.200.0160.00316.63
7.3.190.0120.00816.40
7.3.180.0000.01616.38
7.3.170.0110.01116.50
7.3.160.0050.01116.55
7.3.120.0070.01014.71
7.3.110.0050.00814.74
7.3.100.0090.00614.89
7.3.90.0050.01114.79
7.3.80.0050.00914.91
7.3.70.0060.00514.87
7.3.60.0070.00614.96
7.3.50.0060.00314.77
7.3.40.0070.00814.90
7.3.30.0030.01014.64
7.3.20.0030.01016.65
7.3.10.0030.01116.72
7.3.00.0060.00816.68
7.2.330.0120.01216.65
7.2.320.0110.00616.80
7.2.310.0100.01416.91
7.2.300.0110.01116.74
7.2.290.0180.00816.64
7.2.250.0100.00715.30
7.2.240.0130.00315.13
7.2.230.0030.00815.21
7.2.220.0040.01214.92
7.2.210.0090.00814.84
7.2.200.0000.01015.15
7.2.190.0030.00914.91
7.2.180.0030.00914.99
7.2.170.0030.01315.16
7.2.160.0080.00815.19
7.2.150.0030.01117.10
7.2.140.0040.01216.73
7.2.130.0040.01116.90
7.2.120.0060.00916.77
7.2.110.0040.01416.61
7.2.100.0120.00416.98
7.2.90.0030.00716.81
7.2.80.0080.00717.01
7.2.70.0040.00816.77
7.2.60.1270.00816.19
7.2.50.1330.00715.99
7.2.40.1090.01216.23
7.2.30.1450.00616.29
7.2.20.1090.01116.17
7.2.10.1460.00916.13
7.2.00.1620.01116.31
7.1.330.0050.01015.70
7.1.320.0020.01315.82
7.1.310.0090.00715.62
7.1.300.0060.00815.94
7.1.290.0050.01015.81
7.1.280.0060.00815.76
7.1.270.0040.00715.78
7.1.260.0040.00715.78
7.1.250.0030.00915.76
7.1.200.0040.01115.90
7.1.170.2850.00813.89
7.1.160.2470.01217.00
7.1.150.2540.00916.91
7.1.140.2410.01316.98
7.1.130.3150.01116.92
7.1.120.2560.01116.83
7.1.110.3320.01416.39
7.1.100.2880.00816.02
7.1.90.3480.01115.96
7.1.80.3560.00915.97
7.1.70.3060.00915.41
7.1.60.3470.01133.34
7.1.50.4530.01732.89
7.1.40.4820.01232.52
7.1.30.4030.01332.72
7.1.20.4710.02232.88
7.1.10.3610.01014.86
7.1.00.3090.00914.83

preferences:
51.07 ms | 400 KiB | 5 Q