3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('/dog/', '<$0>', 'where my dog is now?');

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)
8.3.60.0160.00318.43
8.3.50.0110.00621.02
8.3.40.0140.00718.79
8.3.30.0110.00418.92
8.3.20.0070.00020.07
8.3.10.0050.00222.04
8.3.00.0040.00422.38
8.2.180.0100.01018.29
8.2.170.0110.00322.96
8.2.160.0070.00720.43
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.01526.16
8.2.120.0080.00019.64
8.2.110.0060.00321.96
8.2.100.0070.00319.33
8.2.90.0080.00019.10
8.2.80.0040.00419.25
8.2.70.0030.00517.63
8.2.60.0050.00317.80
8.2.50.0040.00418.07
8.2.40.0060.00318.03
8.2.30.0070.00017.97
8.2.20.0040.00417.66
8.2.10.0000.00717.74
8.2.00.0040.00417.68
8.1.280.0120.00325.92
8.1.270.0040.00420.38
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.79
8.1.230.0070.00419.10
8.1.220.0030.00717.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0040.00417.41
8.1.180.0070.00020.23
8.1.170.0040.00418.71
8.1.160.0000.00722.25
8.1.150.0000.00718.63
8.1.140.0040.00417.46
8.1.130.0030.00317.77
8.1.120.0050.00317.48
8.1.110.0000.00717.47
8.1.100.0000.00717.48
8.1.90.0040.00417.45
8.1.80.0070.00017.46
8.1.70.0000.00717.29
8.1.60.0040.00417.62
8.1.50.0050.00217.49
8.1.40.0030.00517.53
8.1.30.0080.00017.64
8.1.20.0030.00517.56
8.1.10.0040.00417.65
8.1.00.0040.00717.37
8.0.300.0080.00018.77
8.0.290.0070.00016.92
8.0.280.0070.00018.39
8.0.270.0000.00717.08
8.0.260.0000.00716.89
8.0.250.0030.00316.99
8.0.240.0000.00816.92
8.0.230.0040.00416.95
8.0.220.0060.00016.90
8.0.210.0030.00316.89
8.0.200.0030.00516.93
8.0.190.0060.00316.95
8.0.180.0040.00416.89
8.0.170.0030.00616.89
8.0.160.0000.00716.85
8.0.150.0060.00316.80
8.0.140.0000.00816.88
8.0.130.0030.00313.34
8.0.120.0000.00716.74
8.0.110.0040.00416.74
8.0.100.0000.00716.93
8.0.90.0030.00516.88
8.0.80.0090.00816.95
8.0.70.0000.00716.84
8.0.60.0000.00716.86
8.0.50.0000.00716.75
8.0.30.0060.01617.21
8.0.20.0120.00617.41
8.0.10.0000.00816.89
8.0.00.0130.00816.75
7.4.330.0050.00015.00
7.4.320.0050.00216.58
7.4.300.0060.00016.64
7.4.290.0030.00316.49
7.4.280.0000.00716.56
7.4.270.0040.00416.55
7.4.260.0050.00316.41
7.4.250.0030.00316.53
7.4.240.0020.00516.64
7.4.230.0000.00616.48
7.4.220.0090.00916.55
7.4.210.0090.00516.63
7.4.200.0040.00416.55
7.4.190.0050.00216.47
7.4.160.0100.00616.72
7.4.150.0170.00717.40
7.4.140.0130.01017.86
7.4.130.0110.00616.66
7.4.120.0090.00816.55
7.4.110.0120.00616.66
7.4.100.0090.00916.68
7.4.90.0040.01316.38
7.4.80.0120.01519.39
7.4.70.0150.00316.28
7.4.60.0060.01016.72
7.4.50.0070.00016.52
7.4.40.0100.00722.77
7.4.30.0080.00916.63
7.4.00.0040.00715.28
7.3.330.0030.00313.11
7.3.320.0050.00012.98
7.3.310.0070.00016.14
7.3.300.0000.00616.22
7.3.290.0390.00416.27
7.3.280.0080.00616.29
7.3.270.0100.00917.40
7.3.260.0130.00716.19
7.3.250.0090.00816.71
7.3.240.0150.00316.63
7.3.230.0160.00816.48
7.3.210.0000.01716.32
7.3.200.0100.00619.39
7.3.190.0180.00016.36
7.3.180.0090.00616.28
7.3.170.0090.00916.50
7.3.160.0100.00616.51
7.3.120.0060.00817.15
7.3.110.0030.01217.15
7.3.100.0090.00917.15
7.3.90.0060.01017.15
7.3.80.0030.00717.15
7.3.70.0030.00817.15
7.3.60.0110.00317.15
7.3.50.0000.01117.15
7.3.40.0110.00317.15
7.3.30.0000.01517.15
7.3.20.0040.00817.15
7.3.10.0000.01117.15
7.3.00.0030.01317.15
7.2.330.0150.00316.61
7.2.320.0090.00916.75
7.2.310.0070.01016.62
7.2.300.0050.01116.69
7.2.290.0090.00616.43
7.2.240.0060.00317.15
7.2.230.0120.00617.15
7.2.220.0000.01217.15
7.2.210.0080.00817.15
7.2.200.0060.01017.15
7.2.190.0040.01217.15
7.2.180.0030.01517.15
7.2.170.0070.01017.15
7.2.160.0070.01117.15
7.2.150.0080.00817.15
7.2.140.0040.01517.15
7.2.130.0000.01617.15
7.2.120.0040.01217.15
7.2.110.0000.01317.15
7.2.100.0030.01217.15
7.2.90.0100.00617.16
7.2.80.0030.00617.15
7.2.70.0060.01017.15
7.2.60.0060.00817.03
7.2.50.0060.00917.15
7.2.40.0030.01217.15
7.2.30.0070.00317.15
7.2.20.0030.01417.15
7.2.10.0070.01117.15
7.2.00.0070.00718.37
7.1.330.0070.00717.15
7.1.320.0080.00617.15
7.1.310.0070.00717.15
7.1.300.0070.00717.15
7.1.290.0110.00317.15
7.1.280.0040.00817.15
7.1.270.0030.01417.15
7.1.260.0090.00917.15
7.1.250.0080.00817.15
7.1.200.0060.00615.77
7.1.100.0070.00718.37
7.1.70.0000.00816.97
7.1.60.0070.01319.82
7.1.50.0000.01817.07
7.1.00.0100.07022.31
7.0.200.0040.00416.87
7.0.140.0070.06722.00
7.0.60.0100.06719.81
7.0.50.0100.04717.80
7.0.40.0100.07320.32
7.0.30.0170.06020.11
7.0.20.0270.06320.04
7.0.10.0170.07720.02
7.0.00.0100.08320.21
5.6.280.0070.07020.90
5.6.210.0030.08720.54
5.6.200.0170.07718.23
5.6.190.0000.07720.60
5.6.180.3130.04720.45
5.6.170.0200.06020.48
5.6.160.0130.07020.49
5.6.150.0130.07718.17
5.6.140.0100.07718.22
5.6.130.0130.07318.18
5.6.120.0100.05720.91
5.6.110.0100.08020.88
5.6.100.0130.07720.88
5.6.90.0170.07021.07
5.6.80.0070.08020.28
5.6.70.0170.06320.39
5.5.350.0100.04320.31
5.5.340.0100.07717.98
5.5.330.0070.05020.57
5.5.320.0130.04320.50
5.5.310.0200.08320.15
5.5.300.0000.07017.91
5.5.290.0030.04317.96
5.5.280.0130.08020.79
5.5.270.0070.08320.73
5.5.260.0070.04020.86
5.5.250.0130.08020.69
5.5.240.0000.04320.18
5.4.450.0930.04719.32
5.4.440.0770.05719.13
5.4.430.0870.05719.48
5.4.420.0800.05019.60
5.4.410.0170.05319.14
5.4.400.0770.04718.79
5.4.390.0900.05318.65
5.4.380.0200.06018.75
5.4.370.0230.04018.53
5.4.360.0130.05018.70
5.4.350.0290.09311.97
5.4.340.0090.03711.97
5.4.320.0060.03612.45
5.4.310.0090.04412.45
5.4.300.0060.03712.45
5.4.290.0050.04012.45
5.4.280.0050.03712.34
5.4.270.0050.04512.34
5.4.260.0050.03712.35
5.4.250.0100.05018.85
5.4.240.0100.05718.64
5.4.230.0100.05018.88
5.4.220.0000.06018.70
5.4.210.0100.05018.93
5.4.200.0100.05718.99
5.4.190.0100.05718.95
5.4.180.0170.04318.79
5.4.170.0000.05718.72
5.4.160.0100.04718.76
5.4.150.0100.05318.98
5.4.140.0100.04716.35
5.4.130.0070.04716.22
5.4.120.0100.05316.39
5.4.110.0100.05016.26
5.4.100.0030.05316.37
5.4.90.0100.04716.43
5.4.80.0070.04316.47
5.4.70.0030.05016.34
5.4.60.0000.05316.40
5.4.50.0130.04016.26
5.4.40.0070.05016.38
5.4.30.0130.04716.29
5.4.20.0170.04016.46
5.4.10.0100.07016.45
5.4.00.0000.06015.84
5.3.290.0080.03912.80
5.3.280.0070.05014.62
5.3.270.0100.05014.62
5.3.260.0130.04314.46
5.3.250.0070.05014.48
5.3.240.0170.04314.60
5.3.230.0170.03714.36
5.3.220.0030.07014.55
5.3.210.0070.05714.71
5.3.200.0070.05014.40
5.3.190.0130.04314.40
5.3.180.0030.05314.71
5.3.170.0100.04314.47
5.3.160.0070.04714.71
5.3.150.0100.04714.65
5.3.140.0100.04714.34
5.3.130.0030.06714.55
5.3.120.0100.05014.70
5.3.110.0100.05014.58
5.3.100.0000.06713.95
5.3.90.0130.06013.88
5.3.80.0130.04014.03
5.3.70.0000.05314.03
5.3.60.0100.04314.14
5.3.50.0130.04013.95
5.3.40.0030.05014.09
5.3.30.0100.04313.82
5.3.20.0070.04713.70
5.3.10.0070.04313.56
5.3.00.0030.05013.33
5.2.170.0030.04311.07
5.2.160.0030.04310.98
5.2.150.0100.03711.04
5.2.140.0000.04311.25
5.2.130.0070.03711.12
5.2.120.0000.04310.86
5.2.110.0030.04011.10
5.2.100.0030.04011.01
5.2.90.0070.03710.93
5.2.80.0030.04011.20
5.2.70.0070.03711.07
5.2.60.0100.03311.04
5.2.50.0030.04011.02
5.2.40.0000.04011.02
5.2.30.0070.03710.89
5.2.20.0070.03310.96
5.2.10.0100.03010.63
5.2.00.0000.04010.87
5.1.60.0070.03010.04
5.1.50.0070.0439.92
5.1.40.0030.0339.90
5.1.30.0070.03310.41
5.1.20.0000.03710.52
5.1.10.0070.03010.15
5.1.00.0000.03710.21
5.0.50.0000.0308.56
5.0.40.0000.0308.29
5.0.30.0030.0408.15
5.0.20.0070.0238.14
5.0.10.0000.0308.40
5.0.00.0030.0408.13
4.4.90.0100.0136.64
4.4.80.0000.0206.64
4.4.70.0000.0276.63
4.4.60.0030.0206.63
4.4.50.0000.0206.63
4.4.40.0000.0336.63
4.4.30.0000.0236.63
4.4.20.0070.0136.63
4.4.10.0000.0276.63
4.4.00.0000.0336.63
4.3.110.0030.0206.63
4.3.100.0030.0306.63
4.3.90.0000.0206.63
4.3.80.0030.0306.63
4.3.70.0000.0206.63
4.3.60.0000.0206.63
4.3.50.0030.0206.63
4.3.40.0070.0276.63
4.3.30.0070.0176.63
4.3.20.0000.0236.63
4.3.10.0000.0236.63
4.3.00.0130.0236.77

preferences:
37.66 ms | 401 KiB | 5 Q