3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( preg_match('/^\s$/', "\xA0") );

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)
8.3.40.0040.01118.96
8.3.30.0040.01020.17
8.3.20.0170.00018.65
8.3.10.0040.00420.79
8.3.00.0060.00323.45
8.2.170.0160.01022.96
8.2.160.0100.00320.47
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.72
8.2.110.0030.00619.31
8.2.100.0040.00817.91
8.2.90.0000.00819.09
8.2.80.0000.00817.97
8.2.70.0030.00717.62
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0000.00819.77
8.2.30.0040.00421.22
8.2.20.0040.00417.82
8.2.10.0050.00217.70
8.2.00.0040.00417.79
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0000.00921.25
8.1.230.0030.00917.46
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0050.00317.23
8.1.180.0050.00318.10
8.1.170.0030.00518.68
8.1.160.0040.00418.79
8.1.150.0040.00418.54
8.1.140.0080.00017.41
8.1.130.0000.00717.68
8.1.120.0030.00317.53
8.1.110.0000.00717.49
8.1.100.0000.00717.40
8.1.90.0030.00317.48
8.1.80.0000.00717.45
8.1.70.0070.00017.44
8.1.60.0090.00517.64
8.1.50.0040.00417.46
8.1.40.0000.00717.56
8.1.30.0000.00717.75
8.1.20.0050.00317.68
8.1.10.0030.00617.55
8.1.00.0040.00417.51
8.0.300.0060.00318.77
8.0.290.0070.00016.63
8.0.280.0000.00718.21
8.0.270.0030.00317.14
8.0.260.0030.00616.75
8.0.250.0000.00716.94
8.0.240.0000.00816.97
8.0.230.0050.00316.95
8.0.220.0000.00716.82
8.0.210.0000.00716.88
8.0.200.0070.00016.98
8.0.190.0030.00517.02
8.0.180.0040.00416.95
8.0.170.0040.00416.91
8.0.160.0000.00716.84
8.0.150.0030.00716.73
8.0.140.0050.00216.87
8.0.130.0030.00313.27
8.0.120.0080.00016.90
8.0.110.0050.00316.70
8.0.100.0000.00716.73
8.0.90.0070.00016.87
8.0.80.0100.01016.94
8.0.70.0000.00716.78
8.0.60.0050.00216.86
8.0.50.0000.00816.79
8.0.30.0080.01117.16
8.0.20.0090.00917.40
8.0.10.0000.00816.89
8.0.00.0180.00516.91
7.4.330.0000.00516.71
7.4.320.0000.00716.65
7.4.300.0000.00716.59
7.4.290.0030.00316.68
7.4.280.0070.00016.68
7.4.270.0100.00016.60
7.4.260.0050.00013.30
7.4.250.0040.00416.41
7.4.240.0000.00716.52
7.4.230.0030.00316.59
7.4.220.0090.00916.69
7.4.210.0070.00816.62
7.4.200.0050.00316.54
7.4.190.0040.00416.81
7.4.160.0120.00416.66
7.4.150.0120.00617.40
7.4.140.0120.00517.86
7.4.130.0050.01116.45
7.4.120.0120.00516.61
7.4.110.0070.01016.51
7.4.100.0140.00316.67
7.4.90.0140.00316.66
7.4.80.0060.01319.39
7.4.70.0120.00816.42
7.4.60.0100.00716.51
7.4.50.0060.00316.53
7.4.40.0090.00622.77
7.4.30.0140.00716.70
7.4.00.0030.01315.06
7.3.330.0000.00513.21
7.3.320.0000.00513.18
7.3.310.0000.00716.34
7.3.300.0070.00016.18
7.3.290.0100.00716.34
7.3.280.0100.00816.27
7.3.270.0060.01217.40
7.3.260.0100.01018.24
7.3.250.0120.00916.56
7.3.240.0090.00616.25
7.3.230.0110.00516.62
7.3.210.0080.00816.60
7.3.200.0140.00619.39
7.3.190.0070.01316.25
7.3.180.0100.00616.66
7.3.170.0130.00316.27
7.3.160.0100.00716.23
7.3.120.0000.01415.05
7.2.330.0090.00816.73
7.2.320.0090.00916.38
7.2.310.0070.01016.55
7.2.300.0060.00916.43
7.2.290.0100.00616.50
7.2.60.0070.00316.93
7.1.200.0030.00315.77
7.1.70.0070.00317.32
7.1.60.0070.01719.17
7.1.50.0110.01416.94
7.1.00.0030.03322.32
7.0.200.0030.00316.69
7.0.140.0070.07021.98
7.0.100.0070.07720.00
7.0.90.0030.08719.89
7.0.80.0030.09319.82
7.0.70.0070.08319.84
7.0.60.0070.07319.89
7.0.50.0130.08020.36
7.0.40.0030.06020.13
7.0.30.0030.04320.15
7.0.20.0030.05020.04
7.0.10.0000.05020.17
7.0.00.0030.04320.12
5.6.280.0070.07021.12
5.6.250.0170.07320.77
5.6.240.0070.07720.56
5.6.230.0170.07320.67
5.6.220.0100.07720.72
5.6.210.0030.08320.68
5.6.200.0000.08721.18
5.6.190.0030.05321.02
5.6.180.0030.04021.01
5.6.170.0030.04321.17
5.6.160.0030.04020.95
5.6.150.0100.03321.04
5.6.140.0000.05021.07
5.6.130.0000.04721.02
5.6.120.0000.04321.13
5.6.110.0070.04021.02
5.6.100.0000.04721.00
5.6.90.0100.07321.07
5.6.80.0030.05320.32
5.6.70.0070.04020.48
5.6.60.0070.03720.38
5.6.50.0030.04020.34
5.6.40.0000.04320.39
5.6.30.0030.03720.43
5.6.20.0070.06020.30
5.6.10.0030.04020.30
5.6.00.0100.06720.43
5.5.380.0130.07320.50
5.5.370.0030.08720.32
5.5.360.0070.07320.33
5.5.350.0030.04720.46
5.5.340.0070.04020.80
5.5.330.0030.07020.75
5.5.320.0070.04020.91
5.5.310.0100.03720.80
5.5.300.0030.04020.79
5.5.290.0170.05320.80
5.5.280.0100.04020.91
5.5.270.0130.03320.89
5.5.260.0030.04320.91
5.5.250.0030.06720.58
5.5.240.0070.03720.16
5.5.230.0000.04320.17
5.5.220.0000.04320.27
5.5.210.0070.03720.18
5.5.200.0100.03320.14
5.5.190.0100.03320.27
5.5.180.0000.04320.14
5.5.160.0070.05320.09
5.5.150.0070.04020.19
5.5.140.0000.04320.14
5.5.130.0030.04020.27
5.5.120.0030.03720.22
5.5.110.0100.04020.21
5.5.100.0030.06319.91
5.5.90.0070.08019.93
5.5.80.0130.07020.09
5.5.70.0170.05720.05
5.5.60.0030.05720.15
5.5.50.0070.07320.14
5.5.40.0070.07720.14
5.5.30.0130.04720.14
5.5.20.0070.03720.02
5.5.10.0070.08320.04
5.5.00.0070.07320.09
5.4.450.0000.04319.46
5.4.440.0070.05719.14
5.4.430.0100.04719.30
5.4.420.0100.03319.29
5.4.410.0070.07019.21
5.4.400.0030.03719.08
5.4.390.0030.04018.95
5.4.380.0030.03719.25
5.4.370.0070.04019.12
5.4.360.0070.03719.03
5.4.350.0070.05719.00
5.4.340.0030.03719.12
5.4.320.0000.04019.25
5.4.310.0070.03319.10
5.4.300.0000.04019.04
5.4.290.0070.03319.07
5.4.280.0000.04019.20
5.4.270.0000.04019.14
5.4.260.0030.04719.06
5.4.250.0000.05319.03
5.4.240.0000.07319.03
5.4.230.0170.06319.04
5.4.220.0030.05718.99
5.4.210.0100.03719.25
5.4.200.0100.07719.04
5.4.190.0000.07719.11
5.4.180.0030.08018.77
5.4.170.0070.07319.02
5.4.160.0100.06718.99
5.4.150.0170.06319.12
5.4.140.0130.07016.29
5.4.130.0070.06716.35
5.4.120.0170.06716.27
5.4.110.0070.07016.33
5.4.100.0130.06716.42
5.4.90.0130.07016.30
5.4.80.0000.05716.52
5.4.70.0070.05016.41
5.4.60.0070.03716.28
5.4.50.0130.03716.27
5.4.40.0130.06016.39
5.4.30.0070.04716.32
5.4.20.0130.03016.31
5.4.10.0100.07016.18
5.4.00.0030.04315.78
5.3.290.0030.05314.48
5.3.280.0030.05014.60
5.3.270.0070.07714.59
5.3.260.0030.08014.57
5.3.250.0030.08314.58
5.3.240.0030.07714.59
5.3.230.0100.07014.54
5.3.220.0070.04314.57
5.3.210.0070.07314.56
5.3.200.0100.07314.43
5.3.190.0070.08014.56
5.3.180.0030.07314.57
5.3.170.0070.07014.54
5.3.160.0070.07014.55
5.3.150.0070.06314.38
5.3.140.0070.07314.50
5.3.130.0070.07314.47
5.3.120.0030.05714.50
5.3.110.0170.06314.54
5.3.100.0270.03714.03
5.3.90.0030.07713.95
5.3.80.0100.05314.00
5.3.70.0100.06713.87
5.3.60.0070.07313.86
5.3.50.0170.03313.93
5.3.40.0030.05713.85
5.3.30.0030.07013.84
5.3.20.0130.06713.62
5.3.10.0100.04713.66
5.3.00.0100.06713.61
5.2.170.0100.06311.34
5.2.160.0130.05311.34
5.2.150.0030.05711.34
5.2.140.0170.05011.34
5.2.130.0030.06011.34
5.2.120.0070.06011.34
5.2.110.0070.06011.34
5.2.100.0100.05711.34
5.2.90.0030.06311.34
5.2.80.0000.04711.34
5.2.70.0100.05711.34
5.2.60.0070.06311.34
5.2.50.0000.05711.34
5.2.40.0070.06011.34
5.2.30.0070.05311.34
5.2.20.0100.05711.34
5.2.10.0030.06311.34
5.2.00.0070.06011.34
5.1.60.0030.05711.34
5.1.50.0030.05311.34
5.1.40.0030.05311.34
5.1.30.0070.05011.34
5.1.20.0070.05311.34
5.1.10.0030.05711.34
5.1.00.0030.05711.34
5.0.50.0070.04311.34
5.0.40.0070.04011.34
5.0.30.0000.06711.34
5.0.20.0070.04011.34
5.0.10.0030.04311.34
5.0.00.0000.06311.34
4.4.90.0000.03311.34
4.4.80.0000.03311.34
4.4.70.0000.04011.34
4.4.60.0000.03011.34
4.4.50.0000.04011.34
4.4.40.0030.05311.34
4.4.30.0030.03311.34
4.4.20.0000.03711.34
4.4.10.0030.03711.34
4.4.00.0000.03011.34
4.3.110.0030.03311.34
4.3.100.0000.03711.34
4.3.90.0030.03311.34
4.3.80.0070.05311.34
4.3.70.0000.03711.34
4.3.60.0030.03311.34
4.3.50.0070.02011.34
4.3.40.0070.05011.34
4.3.30.0000.03711.34
4.3.20.0000.03011.34
4.3.10.0030.03311.34
4.3.00.0030.03311.34

preferences:
42.18 ms | 400 KiB | 5 Q