3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "ABCD\xc3"; $r = preg_match('/^./u',$string, $match); var_dump($r);

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)
8.4.140.0140.00817.56
8.4.130.0110.00718.14
8.4.120.0120.00822.35
8.4.110.0150.00522.48
8.4.100.0130.01017.73
8.4.90.0040.00518.43
8.4.80.0060.00518.11
8.4.70.0030.00518.22
8.4.60.0030.00818.77
8.4.50.0100.00720.32
8.4.40.0120.00319.50
8.4.30.0080.00022.63
8.4.20.0100.00620.51
8.4.10.0040.01522.33
8.3.270.0150.00416.62
8.3.260.0120.00916.73
8.3.250.0080.00718.83
8.3.240.0150.00416.82
8.3.230.0120.00916.78
8.3.220.0050.00317.09
8.3.210.0060.00218.60
8.3.200.0070.00116.55
8.3.190.0040.00418.93
8.3.180.0110.01118.66
8.3.170.0070.00717.04
8.3.160.0040.00416.73
8.3.150.0070.01116.66
8.3.140.0000.00816.63
8.3.130.0040.00416.93
8.3.120.0100.00019.02
8.3.110.0100.00620.94
8.3.100.0090.00024.06
8.3.90.0080.00026.77
8.3.80.0040.00416.77
8.3.70.0140.01016.63
8.3.60.0140.00318.56
8.3.50.0080.00518.39
8.3.40.0120.00318.84
8.3.30.0070.00718.55
8.3.20.0080.00021.83
8.3.10.0040.00421.76
8.3.00.0080.00020.54
8.2.290.0110.00620.56
8.2.280.0060.00320.49
8.2.270.0100.01016.71
8.2.260.0090.00617.01
8.2.250.0090.00018.77
8.2.240.0090.00018.89
8.2.230.0130.00322.58
8.2.220.0030.00637.54
8.2.210.0090.00626.77
8.2.200.0060.00316.63
8.2.190.0120.00616.88
8.2.180.0100.00716.75
8.2.170.0080.00822.96
8.2.160.0110.00420.51
8.2.150.0000.00825.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00326.16
8.2.110.0090.00021.96
8.2.100.0000.01218.00
8.2.90.0040.00420.59
8.2.80.0000.00817.97
8.2.70.0050.00517.80
8.2.60.0080.00017.97
8.2.50.0040.00418.10
8.2.40.0000.00921.20
8.2.30.0040.00419.25
8.2.20.0000.00718.11
8.2.10.0070.00019.23
8.2.00.0000.00719.13
8.1.330.0080.01021.93
8.1.320.0070.00217.94
8.1.310.0040.00416.65
8.1.300.0090.00018.71
8.1.290.0090.00018.88
8.1.280.0040.01225.92
8.1.270.0080.00020.44
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0060.00322.48
8.1.230.0080.00320.97
8.1.220.0040.00417.74
8.1.210.0030.00718.91
8.1.200.0060.00317.35
8.1.190.0040.00417.36
8.1.180.0080.00018.10
8.1.170.0040.00420.63
8.1.160.0070.00019.01
8.1.150.0040.00418.84
8.1.140.0040.00419.02
8.1.130.0000.00720.07
8.1.120.0000.00717.61
8.1.110.0000.00717.47
8.1.100.0000.00817.42
8.1.90.0000.00717.53
8.1.80.0030.00617.56
8.1.70.0000.00817.53
8.1.60.0000.01417.61
8.1.50.0090.00217.55
8.1.40.0040.00417.59
8.1.30.0040.00417.69
8.1.20.0060.00317.73
8.1.10.0040.00417.64
8.1.00.0070.00317.55
8.0.300.0020.00519.89
8.0.290.0040.00416.88
8.0.280.0000.00718.24
8.0.270.0070.00016.86
8.0.260.0030.00320.01
8.0.250.0000.00617.12
8.0.240.0000.00717.09
8.0.230.0030.00517.14
8.0.220.0030.00516.98
8.0.210.0030.00316.92
8.0.200.0040.00416.95
8.0.190.0070.00017.05
8.0.180.0040.00417.08
8.0.170.0000.00816.91
8.0.160.0000.00717.04
8.0.150.0000.00816.93
8.0.140.0040.00416.87
8.0.130.0000.00513.48
8.0.120.0000.00816.94
8.0.110.0040.00416.88
8.0.100.0000.00716.96
8.0.90.0040.00416.90
8.0.80.0030.01317.06
8.0.70.0000.00716.86
8.0.60.0070.00017.07
8.0.50.0040.00416.89
8.0.30.0110.00717.28
8.0.20.0080.01317.39
8.0.10.0070.00017.11
8.0.00.0070.01016.92
7.4.330.0060.00015.55
7.4.320.0070.00016.58
7.4.300.0030.00316.78
7.4.290.0040.00416.71
7.4.280.0030.00616.74
7.4.270.0000.00716.68
7.4.260.0030.00313.41
7.4.250.0070.00016.60
7.4.240.0040.00416.66
7.4.230.0000.00816.54
7.4.220.0050.00216.67
7.4.210.0090.00616.68
7.4.200.0000.00716.79
7.4.130.0030.01416.63
7.4.120.0070.01616.57
7.4.110.0140.01116.59
7.4.100.0090.00916.61
7.4.90.0160.00716.76
7.4.80.0060.01219.39
7.4.70.0030.01316.66
7.4.60.0080.00816.58
7.4.50.0000.01616.36
7.4.40.0070.01116.13
7.4.30.0060.01016.43
7.4.20.0100.00616.41
7.4.10.0130.00316.24
7.4.00.0100.00615.63
7.3.330.0000.00716.27
7.3.320.0000.00513.21
7.3.310.0070.00016.44
7.3.300.0000.00716.14
7.3.290.0060.01216.35
7.3.280.0080.01216.36
7.3.260.0100.01016.48
7.3.230.0160.00616.32
7.3.210.0110.00716.53
7.3.200.0100.00716.75
7.3.190.0100.01016.64
7.3.180.0100.00716.37
7.3.170.0120.00316.38
7.3.160.0060.00916.64
7.3.150.0120.00316.02
7.3.140.0070.01016.24
7.3.130.0070.01016.38
7.3.120.0100.00616.30
7.3.110.0080.01015.30
7.3.100.0090.01015.50
7.3.90.0120.00915.19
7.3.80.0030.01415.48
7.3.70.0080.00815.45
7.3.60.0110.00615.39
7.3.50.0080.01015.31
7.3.40.0130.00515.32
7.3.30.0090.01215.31
7.3.20.0100.00715.33
7.3.10.0100.00815.25
7.3.00.0150.00315.25
7.2.330.0040.01416.72
7.2.320.0130.00316.70
7.2.310.0090.00616.60
7.2.300.0180.00016.54
7.2.290.0130.00316.64
7.2.280.0070.01016.52
7.2.270.0070.01016.66
7.2.260.0130.00316.69
7.2.250.0090.00916.69
7.2.240.0080.01015.57
7.2.230.0110.00715.47
7.2.220.0090.01115.56
7.2.210.0120.00715.72
7.2.200.0060.00915.51
7.2.190.0090.00815.48
7.2.180.0140.00515.53
7.2.170.0080.01115.53
7.2.160.0090.00915.59
7.2.150.0110.00715.72
7.2.140.0110.00815.58
7.2.130.0060.01215.56
7.2.120.0080.00815.65
7.2.110.0100.00615.55
7.2.100.0100.00915.51
7.2.90.0120.01015.74
7.2.80.0090.01015.63
7.2.70.0100.01015.49
7.2.60.0040.01315.68
7.2.50.0100.00615.53
7.2.40.0120.00715.56
7.2.30.0210.00715.70
7.2.20.0080.01015.55
7.2.10.0140.00415.60
7.2.00.0080.00915.63
7.1.330.0090.00914.51
7.1.320.0130.01214.68
7.1.310.0160.00614.60
7.1.300.0100.01214.64
7.1.290.0110.01214.63
7.1.280.0150.01114.42
7.1.270.0120.01114.49
7.1.260.0200.00814.44
7.1.250.0120.00814.52
7.1.240.0210.00715.58
7.1.230.0220.01115.57
7.1.220.0200.01415.61
7.1.210.0210.01215.45
7.1.200.0280.00415.57
7.1.190.0230.01115.64
7.1.180.0200.01015.41
7.1.170.0200.00915.66
7.1.160.0230.00815.45
7.1.150.0230.00715.70
7.1.140.0270.00715.66
7.1.130.0340.00015.77
7.1.120.0260.00915.51
7.1.110.0300.00715.72
7.1.100.0260.01015.55
7.1.90.0300.00815.53
7.1.80.0270.00615.59
7.1.70.0230.01015.69
7.1.60.0300.00315.62
7.1.50.0200.01015.72
7.1.40.0180.01215.53
7.1.30.0270.00315.43
7.1.20.0200.00815.62
7.1.10.0170.01115.65
7.1.00.0300.00015.50

preferences:
38.22 ms | 403 KiB | 5 Q