3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export( preg_match(base64_decode(base64_encode('/^\\\\$/')), '\\') );

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)
8.3.110.0070.00316.57
8.3.100.0070.00716.70
8.3.90.0000.00726.77
8.3.80.0060.00316.63
8.3.70.0100.01416.75
8.3.60.0150.00018.31
8.3.50.0100.01018.43
8.3.40.0110.00420.02
8.3.30.0090.00618.55
8.3.20.0060.00324.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.230.0040.00420.94
8.2.220.0030.00624.06
8.2.210.0070.00726.77
8.2.200.0050.00516.75
8.2.190.0110.00316.58
8.2.180.0150.00025.92
8.2.170.0110.00418.79
8.2.160.0090.00622.96
8.2.150.0000.00725.66
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00026.16
8.2.110.0070.00320.51
8.2.100.0040.00817.91
8.2.90.0030.00617.78
8.2.80.0000.01021.00
8.2.70.0000.00817.50
8.2.60.0040.00417.63
8.2.50.0090.00017.55
8.2.40.0050.00317.62
8.2.30.0040.00417.57
8.2.20.0050.00219.48
8.2.10.0000.00718.71
8.2.00.0070.00019.00
8.1.290.0000.00930.84
8.1.280.0070.01425.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00320.59
8.1.230.0060.00622.69
8.1.220.0080.00017.74
8.1.210.0050.00318.84
8.1.200.0090.00017.22
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0080.00017.62
8.1.160.0040.00718.69
8.1.150.0040.00418.64
8.1.140.0040.00417.33
8.1.130.0000.00718.70
8.1.120.0000.00817.43
8.1.110.0040.00817.36
8.1.100.0050.00317.48
8.1.90.0000.00717.48
8.1.80.0050.00217.48
8.1.70.0040.00417.32
8.1.60.0030.00617.41
8.1.50.0000.00817.45
8.1.40.0000.00717.47
8.1.30.0000.00817.60
8.1.20.0000.01217.62
8.1.10.0000.00717.58
8.1.00.0050.00317.41
8.0.300.0090.00019.67
8.0.290.0000.00716.75
8.0.280.0030.00318.42
8.0.270.0050.00216.87
8.0.260.0080.00018.20
8.0.250.0030.00316.84
8.0.240.0030.00316.89
8.0.230.0000.00716.93
8.0.220.0020.00516.83
8.0.210.0050.00216.86
8.0.200.0030.00316.94
8.0.190.0000.00816.82
8.0.180.0040.00716.98
8.0.170.0090.00016.86
8.0.160.0070.00416.87
8.0.150.0040.00416.67
8.0.140.0040.00416.81
8.0.130.0030.00313.36
8.0.120.0030.00516.85
8.0.110.0000.00916.80
8.0.100.0050.00516.80
8.0.90.0080.00016.96
8.0.80.0080.00016.74
8.0.70.0030.00616.92
8.0.60.0080.00016.92
8.0.50.0060.00316.89
8.0.30.0030.00616.89
8.0.20.0030.00616.91
8.0.10.0030.00616.93
8.0.00.0060.00316.91
7.4.330.0070.00015.55
7.4.320.0060.00016.67
7.4.300.0000.00616.52
7.4.290.0080.00016.52
7.4.280.0080.00016.70
7.4.270.0040.00416.68
7.4.260.0000.00613.36
7.4.250.0000.00716.64
7.4.240.0030.00616.62
7.4.230.0040.00416.61
7.4.220.0080.00016.57
7.4.210.0060.00316.47
7.4.200.0080.00016.60
7.4.190.0040.00416.68
7.4.180.0080.00016.64
7.4.160.0060.00316.65
7.4.150.0000.00816.79
7.4.140.0000.00916.47
7.4.130.0040.00416.43
7.4.120.0040.00416.54
7.4.110.0030.00616.60
7.4.100.0000.00916.54
7.4.90.0000.00716.49
7.4.80.0050.00316.58
7.4.70.0030.00616.50
7.4.60.0030.00616.46
7.4.50.0000.00816.39
7.4.40.0030.00616.44
7.4.30.0080.00016.46
7.4.20.0000.00816.40
7.4.10.0000.00816.46
7.4.00.0030.00616.57
7.3.330.0040.00416.36
7.3.320.0000.00613.17
7.3.310.0000.00816.34
7.3.300.0030.00516.20
7.3.290.0030.00616.41
7.3.280.0060.00316.27
7.3.270.0030.00616.22
7.3.260.0030.00516.35
7.3.250.0030.00616.33
7.3.240.0040.00416.34
7.3.230.0030.00516.27
7.3.220.0060.00316.07
7.3.210.0030.00516.08
7.3.200.0040.00416.16
7.3.190.0030.00516.16
7.3.180.0040.00416.20
7.3.170.0040.00416.29
7.3.160.0000.00816.16
7.3.150.0050.00516.14
7.3.140.0060.00316.05
7.3.130.0060.00316.25
7.3.120.0040.00416.30
7.3.110.0040.00416.00
7.3.100.0080.00016.22
7.3.90.0080.00016.50
7.3.80.0000.00916.24
7.3.70.0030.00516.14
7.3.60.0030.00516.39
7.3.50.0040.00416.52
7.3.40.0000.00816.20
7.3.30.0000.00816.45
7.3.20.0030.00618.13
7.3.10.0030.00618.16
7.3.00.0000.00918.08

preferences:
34.13 ms | 403 KiB | 5 Q