3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/^\b([a-z0-9] ?)+$\b/i', 'this works'), preg_match('/^\b([a-z0-9] ?)+$\b/i', 'this should not work'));

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)
8.3.70.0130.00618.56
8.3.60.0110.00718.30
8.3.50.0170.00321.21
8.3.40.0110.00718.65
8.3.30.0120.00618.59
8.3.20.0050.00318.77
8.3.10.0050.00319.90
8.3.00.0060.00319.14
8.2.190.0110.00418.29
8.2.180.0100.01018.29
8.2.170.0080.00822.96
8.2.160.0100.00718.98
8.2.150.0070.00724.18
8.2.140.0040.00424.66
8.2.130.0000.00820.97
8.2.120.0080.00426.35
8.2.110.0030.00621.09
8.2.100.0120.00017.80
8.2.90.0040.00418.84
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0000.00818.10
8.2.40.0000.00720.53
8.2.30.0070.00020.64
8.2.20.0000.00817.57
8.2.10.0030.00617.82
8.2.00.0050.00217.94
8.1.280.0170.00025.92
8.1.270.0040.00424.01
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0000.01722.44
8.1.230.0040.00822.25
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00617.25
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0040.00418.62
8.1.160.0040.00419.06
8.1.150.0000.00718.69
8.1.140.0040.00419.52
8.1.130.0000.00717.53
8.1.120.0040.00417.51
8.1.110.0030.00517.45
8.1.100.0000.00717.45
8.1.90.0000.00817.44
8.1.80.0070.00017.46
8.1.70.0030.00517.46
8.1.60.0000.00717.57
8.1.50.0040.00417.55
8.1.40.0090.00017.53
8.1.30.0030.00617.60
8.1.20.0020.00517.59
8.1.10.0040.00417.22
8.1.00.0000.00817.34
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0000.00718.20
8.0.270.0080.00017.06
8.0.260.0000.00617.05
8.0.250.0040.00416.93
8.0.240.0050.00316.95
8.0.230.0000.00816.99
8.0.220.0000.00816.87
8.0.210.0070.00016.84
8.0.200.0030.00316.92
8.0.190.0040.00416.87
8.0.180.0080.00016.88
8.0.170.0050.00316.94
8.0.160.0040.00416.88
8.0.150.0040.00416.89
8.0.140.0060.00316.85
8.0.130.0070.00013.33
8.0.120.0000.00816.88
8.0.110.0040.00416.74
8.0.100.0080.00016.75
8.0.90.0040.00416.93
8.0.80.0060.01016.82
8.0.70.0000.00816.88
8.0.60.0080.00016.87
8.0.50.0040.00416.93
8.0.30.0070.01116.94
8.0.20.0110.01217.40
8.0.10.0090.00016.84
8.0.00.0120.01016.74
7.4.330.0000.00515.08
7.4.320.0000.00616.55
7.4.300.0060.00016.62
7.4.290.0080.00016.58
7.4.280.0050.00516.64
7.4.270.0070.00016.72
7.4.260.0030.00316.57
7.4.250.0040.00416.59
7.4.240.0040.00416.63
7.4.230.0070.00016.70
7.4.220.0120.00616.63
7.4.210.0030.01216.71
7.4.200.0000.00816.42
7.4.160.0120.00916.63
7.4.150.0100.01017.40
7.4.140.0100.01217.86
7.4.130.0090.00816.45
7.4.120.0110.00916.61
7.4.110.0080.00916.60
7.4.100.0110.01016.51
7.4.90.0060.01016.29
7.4.80.0150.00819.39
7.4.70.0110.00516.53
7.4.60.0130.00316.48
7.4.50.0100.00716.58
7.4.40.0120.00616.44
7.4.30.0030.01316.58
7.4.00.0070.01014.86
7.3.330.0000.00613.13
7.3.320.0040.00313.18
7.3.310.0000.00716.21
7.3.300.0040.00416.32
7.3.290.0060.01216.33
7.3.280.0100.00616.26
7.3.270.0110.01117.40
7.3.260.0140.00316.60
7.3.250.0100.01116.48
7.3.240.0130.00616.55
7.3.230.0100.00716.39
7.3.210.0100.00716.47
7.3.200.0080.00816.24
7.3.190.0130.00316.17
7.3.180.0040.01116.51
7.3.170.0100.00716.26
7.3.160.0080.00816.46
7.2.330.0030.01616.62
7.2.320.0130.00316.51
7.2.310.0070.01016.57
7.2.300.0150.00916.74
7.2.290.0140.00316.46
7.2.60.0070.00716.79
7.2.00.0000.01319.12
7.1.200.0000.01515.85
7.1.100.0070.00717.84
7.1.70.0000.00717.26
7.1.60.0090.00919.13
7.1.00.0000.07722.56
7.0.200.0480.00314.51
7.0.60.0230.06021.77
7.0.50.0300.05020.34
7.0.40.0130.05320.26
7.0.30.0130.06020.32
7.0.20.0270.04720.37
7.0.10.0100.06020.35
7.0.00.0100.06320.35
5.6.280.0000.07720.90
5.6.210.0170.08020.69
5.6.200.0030.05718.13
5.6.190.0230.06021.02
5.6.180.0230.05721.09
5.6.170.0200.07021.12
5.6.160.0170.05721.03
5.6.150.0200.05321.04
5.6.140.0230.06321.13
5.6.130.0170.05721.08
5.6.120.0130.06021.12
5.6.110.0130.06321.15
5.6.100.0170.05321.07
5.6.90.0230.05321.10
5.6.80.0100.07020.47
5.6.70.0130.05720.47
5.6.60.0230.07020.53
5.6.50.0270.05320.51
5.6.40.0200.05020.39
5.6.30.0200.05020.48
5.6.20.0170.05320.43
5.6.10.0130.05720.39
5.6.00.0230.05720.42
5.5.350.4400.03720.35
5.5.340.0070.07717.93
5.5.330.0270.05320.86
5.5.320.0200.06020.98
5.5.310.0170.07320.82
5.5.300.0230.05020.90
5.5.290.0100.06721.02
5.5.280.0230.05020.84
5.5.270.0100.06720.91
5.5.260.0200.05320.96
5.5.250.0200.05720.63
5.5.240.0170.05020.36
5.5.230.0230.05020.23
5.5.220.0200.05720.21
5.5.210.0100.06020.28
5.5.200.0130.05720.19
5.5.190.0230.05020.19
5.5.180.0170.07720.20
5.5.160.0230.04720.04
5.5.150.0200.05020.14
5.5.140.0070.06020.25
5.5.130.0170.05320.32
5.5.120.0130.05020.13
5.5.110.0100.05720.34
5.5.100.0030.06320.11
5.5.90.0070.05720.16
5.5.80.0230.04320.11
5.5.70.0270.04720.08
5.5.60.0170.05020.07
5.5.50.0170.05320.23
5.5.40.0100.06019.89
5.5.30.0070.07020.13
5.5.20.0300.07019.91
5.5.10.0230.05020.21
5.5.00.0130.05720.12

preferences:
65.21 ms | 401 KiB | 5 Q