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(array $braces) : string { $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]; } return match($available, $opened, $closed); } function match(array $available, array $opened, array $closed) : string { $last_open = $opened[count($opened) - 1]; $opened = array_values($opened); $closed = array_values($closed); if (count($opened) !== count($closed)) { return 'NO'; } // Check for invalid nesting or non-consecutive braces if(!testValidity($available, $last_open, $opened, $closed)) { return 'NO'; } if (count($opened) >= 1) { $result = match( $available, array_slice($opened, 0, -1), array_slice($closed, 1) ); } return 'YES'; } function testValidity(array $available, string $last_open, array $opened, array $closed) : bool { // check nesting if ($available[$last_open] !== $closed[0]) { // check consecutive if ($available[$opened[0]] === $closed[0]) { return true; } return false; } return true; } $values = ['{[()]}', '{[(]}', '{}()[]', '{]}[']; var_dump(braceCheck($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)
8.3.60.0130.00618.81
8.3.50.0080.00616.48
8.3.40.0040.01118.83
8.3.30.0150.00018.84
8.3.20.0080.00019.28
8.3.10.0090.00020.86
8.3.00.0030.00517.93
8.2.180.0130.01018.16
8.2.170.0090.00622.96
8.2.160.0100.00720.71
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0060.00319.64
8.2.120.0070.00026.35
8.2.110.0000.00920.51
8.2.100.0040.00817.66
8.2.90.0080.00017.63
8.2.80.0060.00318.66
8.2.70.0000.00917.79
8.2.60.0030.00617.80
8.2.50.0050.00318.10
8.2.40.0040.00420.87
8.2.30.0030.00319.27
8.2.20.0090.00017.91
8.2.10.0070.00017.84
8.2.00.0000.00719.36
8.1.280.0120.00325.92
8.1.270.0030.00624.02
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00023.78
8.1.230.0060.00620.74
8.1.220.0000.00818.44
8.1.210.0030.00518.77
8.1.200.0040.00417.22
8.1.190.0000.00817.11
8.1.180.0070.00018.10
8.1.170.0040.00418.65
8.1.160.0000.00718.81
8.1.150.0070.00018.82
8.1.140.0000.00717.55
8.1.130.0040.00718.85
8.1.120.0000.00717.38
8.1.110.0000.00817.17
8.1.100.0050.00317.28
8.1.90.0050.00317.18
8.1.80.0040.00417.34
8.1.70.0030.00317.22
8.1.60.0030.00617.35
8.1.50.0080.00017.39
8.1.40.0070.00317.39
8.1.30.0050.00317.43
8.1.20.0040.00417.45
8.1.10.0040.00417.34
8.1.00.0000.00917.30
8.0.300.0090.00018.77
8.0.290.0040.00417.18
8.0.280.0000.00718.49
8.0.270.0040.00417.20
8.0.260.0050.00317.16
8.0.250.0000.00616.95
8.0.240.0040.00416.89
8.0.230.0070.00017.04
8.0.220.0030.00316.78
8.0.210.0040.00416.75
8.0.200.0030.00317.02
8.0.190.0040.00416.99
8.0.180.0060.00316.91
8.0.170.0060.00316.89
8.0.160.0000.00716.95
8.0.150.0030.00716.85
8.0.140.0050.00516.85
8.0.130.0030.00313.36
8.0.120.0070.00016.79
8.0.110.0090.00016.77
8.0.100.0000.00716.76
8.0.90.0050.00316.79
8.0.80.0120.00916.90
8.0.70.0050.00216.68
8.0.60.0000.00716.88
8.0.50.0050.00316.76
8.0.30.0110.00816.94
8.0.20.0090.00917.40
8.0.10.0000.00716.94
8.0.00.0080.01416.70
7.4.330.0000.00515.55
7.4.320.0030.00316.57
7.4.300.0030.00316.57
7.4.290.0000.00716.52
7.4.280.0030.00616.56
7.4.270.0030.00316.67
7.4.260.0040.00516.62
7.4.250.0000.00816.52
7.4.240.0040.00416.67
7.4.230.0000.00716.64
7.4.220.0040.00416.71
7.4.210.0040.01416.65
7.4.200.0030.00316.71
7.4.160.0090.00816.56
7.4.140.0100.01117.86
7.4.130.0040.01316.58
7.4.120.0120.00716.59
7.4.110.0100.00716.70
7.4.100.0080.00816.49
7.4.90.0100.00716.48
7.4.80.0030.01719.39
7.4.70.0100.00716.50
7.4.60.0070.01016.62
7.4.50.0100.00316.48
7.4.40.0070.01016.34
7.4.10.0080.01015.12
7.4.00.0070.00815.11
7.3.330.0000.00513.45
7.3.320.0000.00813.44
7.3.310.0050.00216.46
7.3.300.0000.00716.45
7.3.290.0000.00716.44
7.3.280.0030.01216.36
7.3.260.0090.00916.42
7.3.240.0100.00816.49
7.3.230.0070.01016.32
7.3.210.0120.00616.51
7.3.200.0090.01216.42
7.3.190.0100.00716.61
7.3.180.0060.01016.36
7.3.170.0160.00616.38
7.3.160.0080.00816.43
7.3.130.0030.01414.97
7.3.120.0050.01315.00
7.3.110.0050.01114.92
7.3.100.0060.00814.82
7.3.90.0100.00614.94
7.3.80.0030.01014.93
7.3.70.0020.01214.81
7.3.60.0070.00914.95
7.3.50.0080.00614.90
7.3.40.0070.00414.72
7.3.30.0020.01314.93
7.3.20.0050.00516.68
7.3.10.0120.00416.53
7.3.00.0050.01116.53
7.2.330.0140.00916.80
7.2.320.0140.00916.52
7.2.310.0120.00916.94
7.2.300.0150.00816.89
7.2.290.0040.01516.84
7.2.260.0130.00315.03
7.2.250.0040.01015.08
7.2.240.0080.00715.09
7.2.230.0050.01015.33
7.2.220.0070.01015.09
7.2.210.0110.00515.30
7.2.200.0030.01015.05
7.2.190.0060.00915.26
7.2.180.0030.01315.07
7.2.170.0080.00515.08
7.2.160.0060.00815.00
7.2.150.0070.00617.01
7.2.140.0090.00716.90
7.2.130.0120.00516.94
7.2.120.0050.00916.93
7.2.110.0050.00716.82
7.2.100.0050.00516.95
7.2.90.0070.00916.95
7.2.80.0040.01116.88
7.2.70.0070.00516.92
7.2.60.1890.00516.23
7.2.50.0070.01016.29
7.2.40.0950.01116.52
7.2.30.0080.00916.27
7.2.20.1110.00616.40
7.2.10.1730.01016.46
7.2.00.0560.00616.49
7.1.330.0040.01015.87
7.1.320.0040.00915.81
7.1.310.0070.00615.75
7.1.300.0100.00515.79
7.1.290.0040.00815.87
7.1.280.0080.00615.84
7.1.270.0040.00815.82
7.1.260.0050.00915.79
7.1.250.0020.00915.88
7.1.240.0060.00615.78
7.1.230.0080.00515.84
7.1.220.0040.00615.67
7.1.210.0080.00615.69
7.1.200.0060.00615.84
7.1.190.0070.00515.81
7.1.180.0080.00715.69
7.1.170.0130.00715.12
7.1.160.0150.00916.13
7.1.150.0120.01216.09
7.1.140.0480.00616.06
7.1.130.1520.00716.02
7.1.120.0090.01115.98
7.1.110.0530.01015.94
7.1.100.0090.01015.75
7.1.90.0100.00715.92
7.1.80.0610.00815.86
7.1.70.1860.00615.65
7.1.60.0130.00821.72
7.1.50.0120.01021.25
7.1.40.0900.01121.44
7.1.30.0580.01221.34
7.1.20.1580.00821.45
7.1.10.2340.00915.26
7.1.00.1620.00615.59
7.0.330.0070.00415.40
7.0.320.0050.00615.39
7.0.310.0050.00915.35
7.0.300.0060.00715.20
7.0.290.0040.00715.45
7.0.280.0070.00515.41
7.0.270.0030.00815.31
7.0.260.0040.00915.30
7.0.250.0030.01315.35
7.0.240.0030.00915.52
7.0.230.0060.00515.50
7.0.220.0060.00715.60
7.0.210.0070.00315.38
7.0.200.0060.00615.38
7.0.190.0060.00215.43
7.0.180.0100.00315.47
7.0.170.0070.00715.59
7.0.160.0070.00415.34
7.0.150.0060.00715.49
7.0.140.0070.00515.49
7.0.130.0030.00515.42
7.0.120.0070.00515.55
7.0.110.0050.00515.44
7.0.100.0020.01115.36
7.0.90.0080.00415.53
7.0.80.0080.00815.43
7.0.70.0040.01015.50
7.0.60.0060.00515.37
7.0.50.0090.00315.40
7.0.40.0050.00813.60
7.0.30.0030.00913.58
7.0.20.0030.00813.43
7.0.10.0080.00813.34
7.0.00.0070.00513.57
5.6.400.0070.00614.04
5.6.390.0050.00414.23
5.6.380.0040.00714.12
5.6.370.0050.01114.09
5.6.360.0040.01114.16
5.6.350.0040.00813.98
5.6.340.0080.00214.19
5.6.330.0060.00614.19
5.6.320.0020.01013.99
5.6.310.0030.00814.18
5.6.300.0060.00513.94
5.6.290.0030.01214.09
5.6.280.0040.00914.24
5.6.270.0040.00614.08
5.6.260.0080.00514.13
5.6.250.0040.00514.11
5.6.240.0040.00714.20
5.6.230.0020.01114.01
5.6.220.0100.00314.28
5.6.210.0080.00614.03
5.6.200.0040.00914.12
5.6.190.0040.00814.24
5.6.180.0060.00614.25
5.6.170.0080.00614.11
5.6.160.0060.00614.09
5.6.150.0030.01214.13
5.6.140.0070.00614.02
5.6.130.0030.01014.14
5.6.120.0040.00714.13
5.6.110.0060.00614.18
5.6.100.0030.00914.14
5.6.90.0110.00314.06
5.6.80.0030.01114.12
5.6.70.0060.00614.14
5.6.60.0070.00314.15
5.6.50.0050.01014.16
5.6.40.0070.00514.05
5.6.30.0070.00514.19
5.6.20.0040.00714.04
5.6.10.0060.00914.18
5.6.00.0080.00514.09

preferences:
63.81 ms | 401 KiB | 5 Q