3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace("/(?=[A-Z])/", "_", "FooBarAoo");

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)
8.3.40.0070.00718.86
8.3.30.0070.01019.09
8.3.20.0070.00020.34
8.3.10.0080.00022.09
8.3.00.0000.00720.58
8.2.170.0070.00722.96
8.2.160.0070.00719.21
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00419.26
8.2.110.0060.00322.39
8.2.100.0090.00319.70
8.2.90.0040.00419.16
8.2.80.0030.00617.97
8.2.70.0040.00417.71
8.2.60.0030.00717.80
8.2.50.0000.00818.07
8.2.40.0080.00019.95
8.2.30.0080.00018.00
8.2.20.0040.00417.80
8.2.10.0080.00017.80
8.2.00.0050.00317.66
8.1.270.0050.00322.06
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00323.81
8.1.230.0060.00619.06
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0090.00217.23
8.1.190.0050.00317.29
8.1.180.0050.00318.62
8.1.170.0050.00518.48
8.1.160.0040.00422.20
8.1.150.0070.00018.59
8.1.140.0040.00717.53
8.1.130.0040.00417.34
8.1.120.0000.00717.45
8.1.110.0040.00417.40
8.1.100.0000.00717.37
8.1.90.0040.00417.48
8.1.80.0040.00417.45
8.1.70.0030.00317.43
8.1.60.0000.00917.52
8.1.50.0050.00217.53
8.1.40.0080.00017.52
8.1.30.0040.00417.62
8.1.20.0090.00017.68
8.1.10.0000.00717.59
8.1.00.0020.00517.50
8.0.300.0040.00418.77
8.0.290.0000.00716.93
8.0.280.0050.00318.48
8.0.270.0000.00717.21
8.0.260.0040.00416.94
8.0.250.0030.00617.12
8.0.240.0070.00017.06
8.0.230.0040.00417.07
8.0.220.0030.00316.91
8.0.210.0070.00016.98
8.0.200.0060.00017.04
8.0.190.0040.00816.91
8.0.180.0040.00416.99
8.0.170.0070.00016.91
8.0.160.0000.00816.86
8.0.150.0040.00416.99
8.0.140.0000.00716.93
8.0.130.0030.00313.36
8.0.120.0050.00316.89
8.0.110.0070.00016.88
8.0.100.0000.00716.96
8.0.90.0040.00416.92
8.0.80.0070.01016.96
8.0.70.0070.00017.08
8.0.60.0040.00416.88
8.0.50.0000.00717.00
8.0.30.0050.01317.13
8.0.20.0100.00917.40
8.0.10.0040.00417.01
8.0.00.0140.00516.89
7.4.330.0050.00015.00
7.4.320.0000.00616.63
7.4.300.0020.00516.68
7.4.290.0030.00316.67
7.4.280.0000.00716.59
7.4.270.0000.00616.68
7.4.260.0030.00316.67
7.4.250.0050.00216.68
7.4.240.0020.00516.66
7.4.230.0030.00316.48
7.4.220.0060.01216.76
7.4.210.0070.01016.58
7.4.200.0030.00316.55
7.4.190.0040.00316.74
7.4.160.0180.00316.50
7.4.150.0060.01217.40
7.4.140.0100.00817.86
7.4.130.0090.00916.70
7.4.120.0110.00716.52
7.4.110.0110.01216.48
7.4.100.0140.00316.59
7.4.90.0090.00916.49
7.4.80.0150.00319.39
7.4.70.0120.00916.66
7.4.60.0070.01016.74
7.4.50.0000.00916.38
7.4.40.0030.01322.77
7.4.30.0080.00916.50
7.4.00.0090.00614.92
7.3.330.0000.00513.04
7.3.320.0050.00013.18
7.3.310.0040.00416.38
7.3.300.0000.00616.24
7.3.290.0030.01316.38
7.3.280.0090.00816.32
7.3.270.0080.00817.40
7.3.260.0090.01216.72
7.3.250.0100.00716.60
7.3.240.0030.01516.23
7.3.230.0100.00716.63
7.3.210.0120.00616.73
7.3.200.0120.00919.39
7.3.190.0060.01216.32
7.3.180.0070.01016.56
7.3.170.0060.00916.35
7.3.160.0090.00616.63
7.3.120.0050.00914.96
7.3.110.0100.00714.52
7.3.100.0070.00714.93
7.3.90.0000.01514.71
7.3.80.0070.01014.52
7.3.70.0000.01414.76
7.3.60.0060.00614.61
7.3.50.0110.00614.59
7.3.40.0070.00314.39
7.3.30.0030.01014.68
7.3.20.0060.00616.54
7.3.10.0070.00416.74
7.3.00.0060.01016.82
7.2.330.0100.01016.80
7.2.320.0070.01016.71
7.2.310.0100.00616.44
7.2.300.0120.00916.45
7.2.290.0120.00916.70
7.2.250.0100.00715.14
7.2.240.0060.01314.89
7.2.230.0060.00315.27
7.2.220.0130.00314.84
7.2.210.0040.00815.02
7.2.200.0090.00615.26
7.2.190.0060.00914.81
7.2.180.0040.01214.98
7.2.170.0030.00615.02
7.1.330.0030.01115.84
7.1.320.0110.00315.73
7.1.310.0030.01015.86
7.1.300.0060.00816.03
7.1.290.0100.00315.97
7.1.280.0070.00715.55
7.1.270.0040.01115.93
7.1.260.0060.00615.64
7.1.70.0080.00317.23
7.1.60.0070.01519.82
7.1.50.0070.01017.10
7.1.00.0030.07722.32
7.0.200.0030.01016.66
7.0.140.0030.09722.07
7.0.60.0000.06019.80
7.0.50.0000.04317.86
7.0.40.0070.04720.23
7.0.30.0230.06720.18
7.0.20.0300.08320.11
7.0.10.0300.08020.18
7.0.00.0030.08720.21
5.6.210.0070.08320.76
5.6.200.0100.08718.21
5.6.190.0000.06320.60
5.6.180.4100.03720.41
5.6.170.0400.07320.51
5.6.160.0130.07720.50
5.6.150.0170.05718.11
5.6.140.0100.07718.15
5.6.130.0130.04318.18
5.6.120.0070.04020.89
5.6.110.0030.06321.13
5.6.100.0000.04320.96
5.6.90.0070.09021.01
5.6.80.0100.04320.36
5.6.70.0300.07020.39
5.5.350.0030.08020.39
5.5.340.0030.08017.93
5.5.330.0100.05720.13
5.5.320.0170.04320.13
5.5.310.0270.07020.16
5.5.300.0070.05718.00
5.5.290.0130.08017.92
5.5.280.0030.06020.73
5.5.270.0100.08320.84
5.5.260.0030.09020.86
5.5.250.0070.05020.57
5.5.240.0030.06020.18
5.4.450.0400.06319.59
5.4.440.0630.05319.13
5.4.430.0100.07719.46
5.4.420.0130.05319.45
5.4.410.0070.05719.17
5.4.400.0830.00018.77
5.4.390.1430.00018.77
5.4.380.0470.04318.46
5.4.370.1130.04718.77
5.4.360.0700.06018.68
5.4.350.1070.04718.63
5.4.340.1000.05718.61
5.4.320.0070.03512.45
5.4.310.0080.03612.45
5.4.300.0100.04112.45
5.4.290.0080.05412.45
5.4.280.0050.03712.35
5.4.270.0060.03612.34
5.4.260.0030.05318.83
5.4.250.0130.04718.71
5.4.240.0070.05018.64
5.4.230.0030.05718.72
5.4.220.0070.07318.75
5.4.210.0000.05718.73
5.4.200.0070.05018.71
5.4.190.0030.06018.75
5.4.180.0070.05018.77
5.4.170.0170.06718.91
5.4.160.0100.05018.86
5.4.150.0170.06719.02
5.4.140.0100.04716.46
5.4.130.0130.05316.25
5.4.120.0070.05016.40
5.4.110.0100.06016.49
5.4.100.0030.06016.19
5.4.90.0200.04016.23
5.4.80.0170.06316.48
5.4.70.0030.06716.24
5.4.60.0100.06316.38
5.4.50.0170.04016.36
5.4.40.0170.05016.22
5.4.30.0030.05016.31
5.4.20.0100.04716.49
5.4.10.0070.05716.39
5.4.00.0070.05015.70
5.3.290.0080.05312.80
5.3.280.0100.06014.74
5.3.270.0070.05014.61
5.3.260.0030.05314.59
5.3.250.0100.05714.61
5.3.240.0130.04714.38
5.3.230.0230.04714.64
5.3.220.0130.04714.40
5.3.210.0000.06314.48
5.3.200.0070.07314.57
5.3.190.0130.04714.41
5.3.180.0000.06014.42
5.3.170.0070.05714.61
5.3.160.0300.04714.57
5.3.150.0100.04714.41
5.3.140.0070.05014.41
5.3.130.0100.05714.55
5.3.120.0070.05314.41
5.3.110.0070.05014.41
5.3.100.0000.05313.88
5.3.90.0070.05014.02
5.3.80.0030.05014.16
5.3.70.0070.04714.02
5.3.60.0070.04714.04
5.3.50.0000.05313.96
5.3.40.0070.05013.81
5.3.30.0070.04713.76
5.3.20.0100.04313.57
5.3.10.0070.07313.51
5.3.00.0100.06013.33
5.2.170.0130.04011.15
5.2.160.0070.04011.15
5.2.150.0130.03311.14
5.2.140.0100.04011.05
5.2.130.0070.04010.93
5.2.120.0130.03711.09
5.2.110.0070.04711.10
5.2.100.0070.03711.11
5.2.90.0100.03311.01
5.2.80.0030.04010.92
5.2.70.0070.04011.00
5.2.60.0070.03710.98
5.2.50.0130.03311.03
5.2.40.0100.03310.90
5.2.30.0130.03310.89
5.2.20.0030.05710.98
5.2.10.0030.04010.91
5.2.00.0000.04310.86
5.1.60.0070.03010.02
5.1.50.0070.03310.04
5.1.40.0000.0379.90
5.1.30.0000.04010.40
5.1.20.0100.03310.43
5.1.10.0130.02710.11
5.1.00.0070.05010.15
5.0.50.0000.0338.56
5.0.40.0030.0278.49
5.0.30.0030.0408.10
5.0.20.0030.0278.22
5.0.10.0070.0238.27
5.0.00.0100.0338.23
4.4.90.0070.0175.84
4.4.80.0000.0275.80
4.4.70.0130.0105.78
4.4.60.0070.0275.73
4.4.50.0000.0235.76
4.4.40.0070.0275.84
4.4.30.0030.0275.77
4.4.20.0030.0205.82
4.4.10.0000.0235.83
4.4.00.0030.0305.86
4.3.110.0030.0205.76
4.3.100.0000.0235.82
4.3.90.0030.0205.65
4.3.80.0000.0405.66
4.3.70.0100.0135.68
4.3.60.0000.0205.64
4.3.50.0000.0235.66
4.3.40.0000.0335.63
4.3.30.0030.0235.31
4.3.20.0030.0205.31
4.3.10.0000.0275.31
4.3.00.0100.0279.24

preferences:
32.98 ms | 400 KiB | 5 Q