3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/^[[:alnum:]]$/u', "\xc3\x84"));

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)
8.3.60.0110.00318.45
8.3.50.0160.00222.05
8.3.40.0090.00618.80
8.3.30.0100.00318.83
8.3.20.0000.00820.33
8.3.10.0040.00421.96
8.3.00.0060.00322.33
8.2.180.0040.01116.75
8.2.170.0150.00022.96
8.2.160.0100.01020.24
8.2.150.0090.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00419.48
8.2.110.0060.00321.30
8.2.100.0070.00417.97
8.2.90.0000.00818.03
8.2.80.0040.00417.97
8.2.70.0040.00417.68
8.2.60.0000.00818.09
8.2.50.0000.00819.36
8.2.40.0060.00317.71
8.2.30.0060.00317.89
8.2.20.0060.00317.86
8.2.10.0030.00519.50
8.2.00.0050.00317.82
8.1.280.0090.00625.92
8.1.270.0060.00322.01
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00620.57
8.1.230.0070.00422.75
8.1.220.0040.00417.74
8.1.210.0060.00618.77
8.1.200.0040.00417.35
8.1.190.0080.00017.35
8.1.180.0060.00318.10
8.1.170.0000.00819.09
8.1.160.0080.00318.88
8.1.150.0030.00520.30
8.1.140.0030.00617.58
8.1.130.0070.00017.79
8.1.120.0070.00017.49
8.1.110.0040.00417.37
8.1.100.0000.00717.53
8.1.90.0000.00717.48
8.1.80.0000.00817.38
8.1.70.0000.00817.45
8.1.60.0050.00317.66
8.1.50.0040.00417.45
8.1.40.0040.00417.42
8.1.30.0030.00517.55
8.1.20.0040.00417.51
8.1.10.0000.00717.59
8.1.00.0040.00417.48
8.0.300.0050.00222.04
8.0.290.0080.00016.75
8.0.280.0070.00018.18
8.0.270.0000.00718.12
8.0.260.0030.00316.82
8.0.250.0070.00016.95
8.0.240.0000.00717.04
8.0.230.0030.00617.07
8.0.220.0000.00717.03
8.0.210.0000.00717.02
8.0.200.0030.00316.95
8.0.190.0090.00017.04
8.0.180.0090.00317.02
8.0.170.0030.00316.95
8.0.160.0000.00816.96
8.0.150.0050.00316.95
8.0.140.0050.00316.95
8.0.130.0000.00513.36
8.0.120.0030.00417.03
8.0.110.0000.00716.93
8.0.100.0040.00416.99
8.0.90.0000.00717.10
8.0.80.0120.00816.98
8.0.70.0040.00416.82
8.0.60.0000.00716.91
8.0.50.0000.00717.02
8.0.30.0140.00717.01
8.0.20.0100.00717.40
8.0.10.0000.00816.90
8.0.00.0080.01316.86
7.4.330.0030.00315.05
7.4.320.0000.00616.73
7.4.300.0000.00616.75
7.4.290.0030.00316.73
7.4.280.0030.00316.60
7.4.270.0000.00616.73
7.4.260.0030.00516.70
7.4.250.0070.00016.71
7.4.240.0020.00516.73
7.4.230.0030.00316.77
7.4.220.0090.00916.64
7.4.210.0010.01316.64
7.4.200.0000.00716.46
7.4.190.0000.00716.72
7.4.160.0170.00316.69
7.4.150.0150.00317.40
7.4.140.0130.00617.86
7.4.130.0100.00716.71
7.4.120.0110.00616.52
7.4.110.0070.01016.49
7.4.100.0110.00716.46
7.4.90.0060.00916.47
7.4.80.0100.00919.39
7.4.70.0040.01416.61
7.4.60.0090.00616.51
7.4.50.0000.00816.33
7.4.40.0000.01922.77
7.4.30.0070.01016.68
7.4.00.0090.00615.18
7.3.330.0050.00013.07
7.3.320.0050.00013.05
7.3.310.0030.00316.50
7.3.300.0000.00616.33
7.3.290.0070.00716.31
7.3.280.0100.00916.37
7.3.270.0140.00317.40
7.3.260.0120.00616.50
7.3.250.0100.00916.35
7.3.240.0070.01516.38
7.3.230.0070.01016.50
7.3.210.0130.00616.46
7.3.200.0030.01219.39
7.3.190.0150.00916.45
7.3.180.0040.01116.26
7.3.170.0030.01316.56
7.3.160.0090.00616.57
7.3.120.0080.00814.82
7.3.110.0030.01014.84
7.3.100.0000.01414.87
7.3.90.0040.00714.73
7.3.80.0100.00014.77
7.3.70.0060.00314.74
7.3.60.0030.00914.89
7.3.50.0120.00314.66
7.3.40.0030.01314.67
7.3.30.0070.00714.70
7.3.20.0090.00616.69
7.3.10.0090.00516.67
7.3.00.0000.00916.79
7.2.330.0100.00716.49
7.2.320.0040.01616.75
7.2.310.0040.01216.42
7.2.300.0030.01316.27
7.2.290.0030.01316.60
7.2.250.0030.01614.74
7.2.240.0040.01415.11
7.2.230.0070.00315.07
7.2.220.0080.00415.02
7.2.210.0040.00815.00
7.2.200.0100.00014.98
7.2.190.0030.01015.12
7.2.180.0000.01414.81
7.2.170.0060.00314.92
7.2.130.0110.00416.98
7.2.120.0060.00616.70
7.2.110.0100.00716.88
7.2.100.0030.00916.63
7.2.90.0070.01116.79
7.2.80.0130.00317.09
7.2.70.0030.01316.95
7.2.60.0050.01216.72
7.2.50.0000.01816.95
7.2.40.0160.00816.63
7.2.30.0060.01217.02
7.2.20.0090.00917.04
7.2.10.0120.00616.99
7.2.00.0080.00817.90
7.1.330.0060.00615.44
7.1.320.0000.01115.86
7.1.310.0060.00615.85
7.1.300.0090.00615.85
7.1.290.0110.00415.71
7.1.280.0060.00615.90
7.1.270.0080.00315.65
7.1.260.0030.00915.80
7.1.250.0060.00915.78
7.1.200.0070.00015.85
7.1.100.0050.00518.34
7.1.70.0100.00717.29
7.1.60.0110.01419.82
7.1.50.0140.01117.03
7.1.00.0030.07722.41
7.0.200.0030.00316.77
7.0.140.0000.07721.96
7.0.70.0030.04021.61
7.0.60.0070.03721.85
7.0.50.0000.03322.00
7.0.40.0000.03720.12
7.0.30.0000.05320.06
7.0.20.0000.05320.05
7.0.10.0000.05720.03
7.0.00.0000.06720.09
5.6.280.0030.07321.09
5.6.220.0000.04020.43
5.6.210.0030.04320.55
5.6.200.0030.03321.09
5.6.190.0030.04021.06
5.6.180.0000.04321.02
5.6.170.0030.05720.93
5.6.160.0000.05721.08
5.6.150.0030.04720.94
5.6.140.0030.04020.92
5.6.130.0000.04721.09
5.6.120.0030.04021.11
5.6.110.0030.04720.93
5.6.100.0000.04021.04
5.6.90.0000.03321.00
5.6.80.0000.03320.44
5.6.70.0000.03320.43
5.6.60.0070.02720.47
5.6.50.0000.05720.30
5.6.40.0000.03320.41
5.6.30.0000.04020.34
5.6.20.0070.03020.34
5.6.10.0000.04720.41
5.6.00.0000.03720.30
5.5.360.0070.03720.35
5.5.350.0030.04020.41
5.5.340.0100.03020.77
5.5.330.0000.03320.77
5.5.320.0000.08320.63
5.5.310.0000.08320.61
5.5.300.0000.04020.71
5.5.290.0030.04020.76
5.5.280.0070.04320.88
5.5.270.0030.04320.74
5.5.260.0000.03320.88
5.5.250.0000.03320.63
5.5.240.0000.04020.25
5.5.230.0000.03320.29
5.5.220.0000.03320.11
5.5.210.0000.04020.27
5.5.200.0030.03020.10
5.5.190.0030.03020.10
5.5.180.0030.03320.18
5.5.160.0070.03020.11
5.5.150.0000.03319.96
5.5.140.0000.04320.23
5.5.130.0070.03020.15
5.5.120.0000.08320.23
5.5.110.0000.05020.20
5.5.100.0030.04320.05
5.5.90.0030.03319.98
5.5.80.0000.04319.94
5.5.70.0000.06020.03
5.5.60.0000.05019.99
5.5.50.0100.04319.94
5.5.40.0130.06020.00
5.5.30.0000.05020.07
5.5.20.0030.05320.13
5.5.10.0100.04019.98
5.5.00.0030.04719.94
5.4.450.0030.03719.38
5.4.440.0000.03319.12
5.4.430.0000.03319.45
5.4.420.0000.04319.14
5.4.410.0070.02719.08
5.4.400.0030.02719.11
5.4.390.0000.03319.10
5.4.380.0030.02718.97
5.4.370.0030.03019.10
5.4.360.0000.04019.06
5.4.350.0030.02719.09
5.4.340.0000.03018.95
5.4.320.0000.04319.10
5.4.310.0000.03018.99
5.4.300.0030.02718.93
5.4.290.0000.03018.95
5.4.280.0000.03318.96
5.4.270.0000.04019.07
5.4.260.0000.05719.10
5.4.250.0000.03018.79
5.4.240.0000.04019.07
5.4.230.0070.04718.92
5.4.220.0000.04018.88
5.4.210.0030.04019.12
5.4.200.0000.05019.10
5.4.190.0100.06719.20
5.4.180.0030.07719.01
5.4.170.0030.06319.02
5.4.160.0030.05719.00
5.4.150.0070.07318.80
5.4.140.0000.07716.30
5.4.130.0030.07316.11
5.4.120.0000.06716.20
5.4.110.0030.06716.36
5.4.100.0070.06016.29
5.4.90.0070.05316.29
5.4.80.0030.07316.38
5.4.70.0100.06316.27
5.4.60.0030.05716.17
5.4.50.0070.05016.25
5.4.40.0000.05316.32
5.4.30.0100.05016.23
5.4.20.0100.06716.16
5.4.10.0070.05316.17
5.4.00.0000.06715.65
5.3.290.0030.04014.52
5.3.280.0030.05014.41
5.3.270.0000.05014.56
5.3.260.0000.07314.43
5.3.250.0100.06314.46
5.3.240.0100.07014.54
5.3.230.0030.07314.57
5.3.220.0000.07714.55
5.3.210.0030.06014.42
5.3.200.0070.06714.43
5.3.190.0030.04314.52
5.3.180.0070.03714.47
5.3.170.0100.07014.56
5.3.160.0000.07314.54
5.3.150.0030.05314.38
5.3.140.0070.04314.53
5.3.130.0070.05014.40
5.3.120.0070.07714.50
5.3.110.0000.08014.54
5.3.100.0030.08314.03
5.3.90.0070.06313.88
5.3.80.0030.07013.97
5.3.70.0000.04714.02
5.3.60.0070.06714.00
5.3.50.0030.05713.85
5.3.40.0030.07313.84
5.3.30.0000.06713.90
5.3.20.0030.07313.64
5.3.10.0070.07013.56
5.3.00.0100.06713.64
5.2.170.0100.03311.35
5.2.160.0000.05311.35
5.2.150.0070.06011.35
5.2.140.0000.06311.35
5.2.130.0000.06311.35
5.2.120.0030.05311.35
5.2.110.0030.04311.35
5.2.100.0030.05311.35
5.2.90.0000.05311.35
5.2.80.0000.05711.35
5.2.70.0000.06711.35
5.2.60.0070.05011.35
5.2.50.0030.06711.35
5.2.40.0000.06711.35
5.2.30.0070.05011.35
5.2.20.0000.06311.35
5.2.10.0100.05311.35
5.2.00.0070.04311.35
5.1.60.0030.04011.35
5.1.50.0030.04711.35
5.1.40.0100.04711.35
5.1.30.0070.05711.35
5.1.20.0030.06011.35
5.1.10.0000.05711.35
5.1.00.0000.05711.35
5.0.50.0000.04011.35
5.0.40.0000.04311.35
5.0.30.0000.06711.35
5.0.20.0030.04011.35
5.0.10.0070.03311.35
5.0.00.0000.06011.35
4.4.90.0000.03711.35
4.4.80.0030.03711.35
4.4.70.0000.03311.35
4.4.60.0030.03011.35
4.4.50.0000.03711.35
4.4.40.0030.04711.35
4.4.30.0030.03011.35
4.4.20.0030.03011.35
4.4.10.0000.03311.35
4.4.00.0000.04011.35
4.3.110.0000.03311.35
4.3.100.0000.03711.35
4.3.90.0100.02311.35
4.3.80.0070.04311.35
4.3.70.0000.03311.35
4.3.60.0030.02311.35
4.3.50.0030.02711.35
4.3.40.0000.05011.35
4.3.30.0000.03011.35
4.3.20.0030.02711.35
4.3.10.0030.03711.35
4.3.00.0000.02711.35

preferences:
43.41 ms | 401 KiB | 5 Q