3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A='one\\"two'; echo strlen($A); var_dump($A); $Input= 'zero:("),one:(\\"),two:(\\\\"),three:(\\\\\\"),four:(\\\\\\\\"),five:(\\\\\\\\\\"),six:(\\\\\\\\\\\\")'; preg_match_all( "/[^\\]*((\\{2})*)(['\"])(.)*\1/U", $Input, $Matches); var_dump($Matches);

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)
8.3.110.0100.01020.94
8.3.100.0060.00324.06
8.3.90.0040.00426.77
8.3.80.0040.00416.75
8.3.70.0100.01016.63
8.3.60.0040.01216.61
8.3.50.0130.00318.30
8.3.40.0070.01118.71
8.3.30.0090.00618.67
8.3.20.0000.00720.33
8.3.10.0000.00723.66
8.3.00.0040.00423.50
8.2.230.0080.00022.58
8.2.220.0030.00737.54
8.2.210.0090.00926.77
8.2.200.0060.00316.63
8.2.190.0060.01216.58
8.2.180.0200.00018.41
8.2.170.0070.01118.91
8.2.160.0100.00722.96
8.2.150.0040.00425.66
8.2.140.0090.00024.66
8.2.130.0050.00220.57
8.2.120.0040.00426.35
8.2.110.0050.00522.13
8.2.100.0070.00717.91
8.2.90.0120.00019.07
8.2.80.0000.00819.28
8.2.70.0000.00817.63
8.2.60.0040.00717.80
8.2.50.0000.00818.10
8.2.40.0040.00420.60
8.2.30.0050.00219.23
8.2.20.0040.00417.92
8.2.10.0040.00418.04
8.2.00.0040.00417.86
8.1.290.0030.00618.88
8.1.280.0090.00625.92
8.1.270.0000.00823.84
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00923.88
8.1.230.0030.00717.82
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0040.00417.22
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0060.00318.34
8.1.160.0040.00418.80
8.1.150.0000.00719.95
8.1.140.0030.00318.94
8.1.130.0030.00318.69
8.1.120.0000.00717.37
8.1.110.0040.00417.35
8.1.100.0040.00417.41
8.1.90.0030.00317.27
8.1.80.0060.00317.28
8.1.70.0070.00017.32
8.1.60.0080.00017.41
8.1.50.0080.00017.39
8.1.40.0000.00717.47
8.1.30.0000.00817.45
8.1.20.0000.00817.63
8.1.10.0000.00817.49
8.1.00.0080.00017.47
8.0.300.0060.00318.77
8.0.290.0030.00616.88
8.0.280.0030.00318.37
8.0.270.0000.00717.18
8.0.260.0000.00818.86
8.0.250.0030.00316.95
8.0.240.0070.00017.05
8.0.230.0070.00016.88
8.0.220.0070.00016.89
8.0.210.0030.00316.77
8.0.200.0000.00716.83
8.0.190.0000.00816.93
8.0.180.0040.00416.87
8.0.170.0000.00716.93
8.0.160.0070.00016.80
8.0.150.0070.00016.87
8.0.140.0000.00816.85
8.0.130.0030.00313.34
8.0.120.0040.00416.72
8.0.110.0030.00516.85
8.0.100.0000.00816.66
8.0.90.0070.00016.91
8.0.80.0090.00616.93
8.0.70.0040.00416.88
8.0.60.0050.00316.84
8.0.50.0070.00016.82
8.0.30.0110.00916.99
8.0.20.0160.00917.40
8.0.10.0040.00416.90
8.0.00.0100.01016.62
7.4.330.0030.00315.55
7.4.320.0030.00316.47
7.4.300.0000.00616.44
7.4.290.0030.00316.56
7.4.280.0050.00216.63
7.4.270.0090.00016.60
7.4.260.0070.00016.62
7.4.250.0000.00716.36
7.4.240.0040.00416.51
7.4.230.0070.00016.64
7.4.220.0000.01816.52
7.4.210.0070.00716.58
7.4.200.0000.00716.57
7.4.160.0100.00716.74
7.4.150.0130.00617.40
7.4.140.0090.01117.86
7.4.130.0080.01216.66
7.4.120.0090.01216.51
7.4.110.0080.01116.62
7.4.100.0120.00916.43
7.4.90.0140.00516.52
7.4.80.0030.01219.39
7.4.70.0110.00816.55
7.4.60.0060.00916.50
7.4.50.0100.00316.47
7.4.40.0030.01316.63
7.4.30.0040.01516.41
7.4.00.0060.00914.88
7.3.330.0060.00013.25
7.3.320.0030.00313.17
7.3.310.0020.00516.46
7.3.300.0030.00316.35
7.3.290.0000.00616.34
7.3.280.0100.00516.33
7.3.270.0110.00717.40
7.3.260.0140.00716.53
7.3.250.0100.00916.40
7.3.240.0130.00616.36
7.3.230.0080.00816.48
7.3.210.0140.00316.39
7.3.200.0150.00416.51
7.3.190.0110.00516.34
7.3.180.0070.01016.49
7.3.170.0100.00616.61
7.3.160.0060.00916.67
7.3.120.0130.00314.81
7.3.110.0070.01114.51
7.3.100.0110.00414.89
7.3.90.0140.00314.73
7.3.80.0040.00814.86
7.3.70.0030.01214.86
7.3.60.0030.01314.78
7.3.50.0050.00514.75
7.3.40.0090.00914.77
7.3.30.0030.01314.78
7.3.20.0100.00016.80
7.3.10.0100.00716.31
7.3.00.0110.00516.43
7.2.330.0030.01516.44
7.2.320.0100.00716.70
7.2.310.0090.00916.62
7.2.300.0090.00916.63
7.2.290.0080.00916.62
7.2.240.0040.01514.80
7.2.230.0030.01314.97
7.2.220.0170.00314.67
7.2.210.0040.01114.89
7.2.200.0030.00715.02
7.2.190.0070.00315.09
7.2.180.0040.00815.02
7.2.170.0070.00714.79
7.2.160.0030.00815.02
7.2.150.0000.01416.63
7.2.140.0080.00416.84
7.2.130.0150.00916.61
7.2.120.0080.00516.64
7.2.110.0080.00716.71
7.2.100.0140.00916.67
7.2.90.0270.00716.77
7.2.80.0140.00816.77
7.2.70.0150.00816.83
7.2.60.0140.00816.73
7.2.50.0320.01216.87
7.2.40.0120.01016.78
7.2.30.0160.00816.79
7.2.20.0170.00416.89
7.2.10.0120.00816.66
7.2.00.0110.00516.69
7.1.330.0030.01316.04
7.1.320.0000.01015.77
7.1.310.0040.00815.52
7.1.300.0030.01015.77
7.1.290.0060.00815.53
7.1.280.0050.00515.70
7.1.270.0040.00815.92
7.1.260.0060.00315.78
7.1.250.0090.00615.56
7.1.200.0030.00615.98
7.1.110.0850.01316.15
7.1.100.0590.00716.16
7.1.90.0910.01016.50
7.1.80.1150.00616.47
7.1.70.0870.01015.43
7.1.60.0760.01033.16
7.1.50.0720.01733.07
7.1.40.0930.00732.52
7.1.30.1240.00732.68
7.1.20.0740.01032.83
7.1.10.0680.00314.86
7.1.00.1530.00714.95
7.0.250.0040.01215.95
7.0.240.0080.00815.50
7.0.230.0760.00716.15
7.0.220.0940.01016.11
7.0.210.0920.00714.82
7.0.200.0700.01014.98
7.0.190.0800.00614.89
7.0.180.0740.01314.41
7.0.170.1060.00314.25
7.0.160.0820.01014.62
7.0.150.0730.00314.50
7.0.140.0650.00914.45
7.0.130.0720.00714.60
7.0.120.0700.00714.73
7.0.110.0730.00714.72
7.0.100.0710.00414.73
7.0.90.0630.01314.49
7.0.80.0690.01314.66
7.0.70.0660.00914.46
7.0.60.0620.00914.51
7.0.50.0580.01314.50
7.0.40.0700.00714.56
7.0.30.0620.01014.63
7.0.20.0870.00014.88
7.0.10.1150.01014.56
7.0.00.0730.01014.58

preferences:
64.01 ms | 403 KiB | 5 Q