3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match("/(\w+)?/", "a",$matches); print_r($matches); echo "\n"; preg_match("/(\w*)/", "",$matches); print_r($matches);

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)
8.3.60.0120.00918.31
8.3.50.0080.01321.90
8.3.40.0120.00618.97
8.3.30.0090.00618.84
8.3.20.0030.00618.76
8.3.10.0040.00421.01
8.3.00.0080.00023.78
8.2.180.0170.00316.88
8.2.170.0090.00922.96
8.2.160.0100.00320.44
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0060.00321.12
8.2.110.0100.00022.37
8.2.100.0130.00017.84
8.2.90.0000.00819.09
8.2.80.0070.00019.34
8.2.70.0080.00017.50
8.2.60.0080.00017.91
8.2.50.0050.00318.07
8.2.40.0040.00418.09
8.2.30.0040.00419.33
8.2.20.0060.00317.71
8.2.10.0050.00217.74
8.2.00.0050.00317.69
8.1.280.0120.00325.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.27
8.1.230.0110.00020.90
8.1.220.0000.00818.77
8.1.210.0030.00618.95
8.1.200.0050.00617.38
8.1.190.0060.00317.41
8.1.180.0090.00018.10
8.1.170.0000.00818.64
8.1.160.0050.00218.70
8.1.150.0080.00018.60
8.1.140.0000.00817.54
8.1.130.0000.00717.67
8.1.120.0000.00717.40
8.1.110.0070.00017.54
8.1.100.0040.00417.55
8.1.90.0040.00417.44
8.1.80.0040.00417.54
8.1.70.0000.00717.50
8.1.60.0030.00517.64
8.1.50.0090.00017.42
8.1.40.0050.00317.57
8.1.30.0040.00417.67
8.1.20.0080.00017.69
8.1.10.0000.00717.67
8.1.00.0080.00017.59
8.0.300.0080.00319.83
8.0.290.0040.00417.02
8.0.280.0030.00318.40
8.0.270.0000.00717.09
8.0.260.0030.00316.80
8.0.250.0000.00816.89
8.0.240.0100.00017.01
8.0.230.0040.00416.95
8.0.220.0050.00516.85
8.0.210.0030.00316.80
8.0.200.0060.00316.86
8.0.190.0000.00816.86
8.0.180.0070.00016.94
8.0.170.0080.00016.95
8.0.160.0040.00416.98
8.0.150.0040.00416.92
8.0.140.0040.00416.78
8.0.130.0000.00613.32
8.0.120.0000.00716.83
8.0.110.0050.00216.95
8.0.100.0050.00316.73
8.0.90.0070.00016.93
8.0.80.0200.00016.79
8.0.70.0000.00716.90
8.0.60.0000.00716.82
8.0.50.0000.00716.76
8.0.30.0090.01217.16
8.0.20.0100.00817.40
8.0.10.0040.00417.03
8.0.00.0080.01516.75
7.4.330.0020.00216.67
7.4.320.0030.00316.68
7.4.300.0030.00316.61
7.4.290.0030.00316.73
7.4.280.0030.00316.69
7.4.270.0000.00816.73
7.4.260.0030.00313.43
7.4.250.0040.00416.66
7.4.240.0000.00716.61
7.4.230.0000.00816.49
7.4.220.0190.00916.36
7.4.210.0060.00916.69
7.4.200.0000.00816.70
7.4.190.0000.00716.76
7.4.160.0030.01316.64
7.4.150.0140.00317.40
7.4.140.0110.00817.86
7.4.130.0100.01016.57
7.4.120.0050.01616.74
7.4.110.0060.01116.60
7.4.100.0100.01416.48
7.4.90.0150.00316.57
7.4.80.0110.00619.39
7.4.70.0080.00816.54
7.4.60.0070.01016.48
7.4.50.0030.00616.37
7.4.40.0060.00622.77
7.4.30.0000.02316.70
7.4.00.0140.00414.74
7.3.330.0000.00713.11
7.3.320.0000.00613.13
7.3.310.0080.00016.34
7.3.300.0030.00316.24
7.3.290.0080.01216.28
7.3.280.0110.00616.35
7.3.270.0180.00017.40
7.3.260.0130.00718.24
7.3.250.0120.00816.38
7.3.240.0120.00616.74
7.3.230.0140.00316.59
7.3.210.0130.00316.39
7.3.200.0070.01719.39
7.3.190.0140.00316.42
7.3.180.0030.01216.55
7.3.170.0080.00816.50
7.3.160.0110.01116.37
7.3.120.0040.01214.72
7.2.330.0110.00816.75
7.2.320.0120.00916.45
7.2.310.0130.01016.45
7.2.300.0030.01416.76
7.2.290.0060.01116.63
7.2.00.0060.00919.51
7.1.100.0040.00718.17
7.1.70.0030.00317.22
7.1.60.0100.00017.32
7.1.50.0200.00316.95
7.1.00.0070.07322.47
7.0.200.0030.01316.86
7.0.140.0000.07722.11
7.0.100.0030.06020.00
7.0.90.0270.07019.93
7.0.80.0270.07319.94
7.0.70.0100.07019.92
7.0.60.0030.04719.87
7.0.50.0030.08020.11
7.0.40.0070.08320.04
7.0.30.0070.06020.15
7.0.20.0030.05020.13
7.0.10.0100.05319.91
7.0.00.0070.07020.00
5.6.280.0070.07021.14
5.6.250.0030.05020.59
5.6.240.0100.07020.53
5.6.230.0030.07020.50
5.6.220.0070.08320.73
5.6.210.0070.08020.61
5.6.200.0000.05021.04
5.6.190.0030.04321.16
5.6.180.0030.04021.07
5.6.170.0100.08021.02
5.6.160.0070.08321.01
5.6.150.0070.06021.13
5.6.140.0070.04720.98
5.6.130.0030.04321.01
5.6.120.0100.08021.13
5.6.110.0030.09021.03
5.6.100.0130.08721.04
5.6.90.0130.05720.99
5.6.80.0130.03720.48
5.6.70.0000.04320.33
5.6.60.0100.06320.41
5.6.50.0000.04320.41
5.6.40.0030.06320.30
5.6.30.0130.06020.39
5.6.20.0070.06320.37
5.6.10.0070.05020.37
5.6.00.0030.04320.38
5.5.380.0070.08720.34
5.5.370.0100.06720.36
5.5.360.0100.06320.38
5.5.350.0070.04320.36
5.5.340.0030.04320.88
5.5.330.0030.09320.80
5.5.320.0070.07720.88
5.5.310.0130.06720.92
5.5.300.0070.08320.88
5.5.290.0100.07720.88
5.5.280.0130.02720.75
5.5.270.0030.04020.91
5.5.260.0070.07720.89
5.5.250.0170.03320.66
5.5.240.0000.04020.13
5.5.230.0030.05320.18
5.5.220.0100.07720.22
5.5.210.0030.08020.25
5.5.200.0070.04020.20
5.5.190.0030.06720.08
5.5.180.0100.08020.26
5.5.160.0100.08020.18
5.5.150.0230.06720.07
5.5.140.0130.07720.09
5.5.130.0070.07020.11
5.5.120.0100.04320.14
5.5.110.0130.07020.26
5.5.100.0070.08020.16
5.5.90.0130.03320.09
5.5.80.0030.06020.05
5.5.70.0070.06720.07
5.5.60.0030.07720.08
5.5.50.0130.06020.16
5.5.40.0030.06320.07
5.5.30.0100.04020.04
5.5.20.0030.04720.01
5.5.10.0130.07320.00
5.5.00.0100.04720.05
5.4.450.0070.05319.37
5.4.440.0030.08719.37
5.4.430.0130.07319.46
5.4.420.0030.07319.48
5.4.410.0070.03719.10
5.4.400.0070.04719.13
5.4.390.0070.03719.25
5.4.380.0070.03019.13
5.4.370.0100.05719.21
5.4.360.0070.06318.94
5.4.350.0030.07719.05
5.4.340.0130.03019.04
5.4.320.0100.04319.21
5.4.310.0070.05018.95
5.4.300.0130.08319.22
5.4.290.0030.06319.12
5.4.280.0070.04719.05
5.4.270.0070.03719.08
5.4.260.0070.04718.89
5.4.250.0030.04018.92
5.4.240.0100.07019.02
5.4.230.0000.07719.21
5.4.220.0130.06319.17
5.4.210.0030.08019.15
5.4.200.0100.03319.06
5.4.190.0130.06319.04
5.4.180.0030.08019.15
5.4.170.0070.07019.03
5.4.160.0070.05719.10
5.4.150.0000.04318.85
5.4.140.0200.07016.43
5.4.130.0030.06316.45
5.4.120.0000.06016.43
5.4.110.0100.07316.43
5.4.100.0100.06716.34
5.4.90.0100.07316.34
5.4.80.0070.05716.28
5.4.70.0030.03716.37
5.4.60.0030.03716.54
5.4.50.0100.06016.30
5.4.40.0000.04716.42
5.4.30.0030.04016.48
5.4.20.0030.03716.40
5.4.10.0030.05716.40
5.4.00.0030.06315.96
5.3.290.0070.03714.76
5.3.280.0070.06714.59
5.3.270.0170.04314.61
5.3.260.0130.04014.56
5.3.250.0030.07714.65
5.3.240.0070.03314.60
5.3.230.0170.06714.65
5.3.220.0030.07314.65
5.3.210.0070.06314.56
5.3.200.0030.03314.68
5.3.190.0070.05314.48
5.3.180.0070.07714.62
5.3.170.0070.03014.57
5.3.160.0030.08014.60
5.3.150.0070.07014.67
5.3.140.0030.05714.53
5.3.130.0030.07014.46
5.3.120.0070.04014.60
5.3.110.0130.03314.55
5.3.100.0030.07314.12
5.3.90.0070.05714.13
5.3.80.0070.06014.13
5.3.70.0070.04313.89
5.3.60.0100.03014.13
5.3.50.0200.04713.94
5.3.40.0070.06313.84
5.3.30.0030.05314.04
5.3.20.0030.03713.74
5.3.10.0030.03713.75
5.3.00.0030.06313.64
5.2.170.0030.03313.64
5.2.160.0030.03313.64
5.2.150.0070.03013.64
5.2.140.0030.03013.64
5.2.130.0100.05313.64
5.2.120.0000.03313.64
5.2.110.0030.06313.64
5.2.100.0130.05713.64
5.2.90.0200.04313.64
5.2.80.0000.03013.64
5.2.70.0070.02713.64
5.2.60.0070.05013.64
5.2.50.0000.03313.64
5.2.40.0070.04013.64
5.2.30.0030.03013.64
5.2.20.0030.05713.64
5.2.10.0070.06313.64
5.2.00.0030.04313.64
5.1.60.0030.03713.64
5.1.50.0000.03013.64
5.1.40.0030.02313.64
5.1.30.0030.04013.64
5.1.20.0070.05313.64
5.1.10.0000.05713.64
5.1.00.0030.05013.64
5.0.50.0000.04713.64
5.0.40.0030.03313.64
5.0.30.0030.02713.64
5.0.20.0100.03013.64
5.0.10.0070.01713.64
5.0.00.0000.04313.64
4.4.90.0000.02313.64
4.4.80.0000.01713.64
4.4.70.0000.01713.64
4.4.60.0030.02313.64
4.4.50.0030.03313.64
4.4.40.0000.02713.64
4.4.30.0000.01713.64
4.4.20.0000.03713.64
4.4.10.0000.03313.64
4.4.00.0000.03713.64
4.3.110.0000.03713.64
4.3.100.0000.03713.64
4.3.90.0070.02013.64
4.3.80.0030.05313.64
4.3.70.0000.03313.64
4.3.60.0000.04013.64
4.3.50.0130.00713.64
4.3.40.0000.02013.64
4.3.30.0070.02013.64
4.3.20.0000.03313.64
4.3.10.0030.02713.64
4.3.00.0030.03313.64

preferences:
48.18 ms | 401 KiB | 5 Q