3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_replace('/(?<=[a-z])([A-Z])/', '_\\L$1', 'AnaNaaZ'));

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)
8.3.60.0100.01016.63
8.3.50.0120.00522.96
8.3.40.0150.00418.98
8.3.30.0110.00318.74
8.3.20.0040.00420.35
8.3.10.0080.00021.90
8.3.00.0090.00019.25
8.2.180.0130.01016.75
8.2.170.0070.00722.96
8.2.160.0120.00620.38
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0110.00326.16
8.2.120.0080.00020.85
8.2.110.0060.00322.14
8.2.100.0040.00717.66
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0040.00417.34
8.2.60.0060.00317.91
8.2.50.0060.00318.07
8.2.40.0060.00317.91
8.2.30.0000.00717.92
8.2.20.0040.00417.58
8.2.10.0050.00217.95
8.2.00.0070.00017.73
8.1.280.0120.00425.92
8.1.270.0030.00623.97
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0000.00923.84
8.1.230.0070.00419.21
8.1.220.0070.00017.74
8.1.210.0090.00018.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0040.00418.61
8.1.160.0040.00422.03
8.1.150.0000.00818.69
8.1.140.0000.00717.39
8.1.130.0030.00317.70
8.1.120.0000.00717.54
8.1.110.0000.00817.45
8.1.100.0000.00817.50
8.1.90.0000.00717.46
8.1.80.0000.00717.49
8.1.70.0000.00717.42
8.1.60.0040.00417.61
8.1.50.0060.00317.60
8.1.40.0040.00417.58
8.1.30.0030.00517.50
8.1.20.0040.00417.66
8.1.10.0000.00717.58
8.1.00.0050.00317.49
8.0.300.0000.00818.77
8.0.290.0050.00316.62
8.0.280.0070.00018.25
8.0.270.0000.00717.15
8.0.260.0000.00617.15
8.0.250.0030.00316.88
8.0.240.0090.00016.86
8.0.230.0040.00416.91
8.0.220.0040.00316.82
8.0.210.0060.00016.88
8.0.200.0000.00716.87
8.0.190.0040.00416.96
8.0.180.0070.00016.99
8.0.170.0000.00816.91
8.0.160.0000.00716.90
8.0.150.0000.00716.78
8.0.140.0040.00416.88
8.0.130.0000.00713.37
8.0.120.0080.00016.89
8.0.110.0050.00216.89
8.0.100.0030.00516.89
8.0.90.0070.00016.73
8.0.80.0070.01016.91
8.0.70.0000.00716.78
8.0.60.0040.00416.87
8.0.50.0080.00016.97
8.0.30.0160.00817.09
8.0.20.0110.00717.40
8.0.10.0040.00416.89
8.0.00.0090.01116.73
7.4.330.0000.00515.07
7.4.320.0030.00316.58
7.4.300.0020.00516.54
7.4.290.0030.00716.66
7.4.280.0060.00316.52
7.4.270.0000.00716.58
7.4.260.0090.00016.69
7.4.250.0000.00716.54
7.4.240.0050.00216.69
7.4.230.0030.00316.62
7.4.220.0090.00916.59
7.4.210.0100.01016.75
7.4.200.0000.00716.53
7.4.160.0090.00616.64
7.4.150.0040.01417.40
7.4.140.0100.00817.86
7.4.130.0030.01416.57
7.4.120.0080.01216.38
7.4.110.0110.01116.58
7.4.100.0070.01016.67
7.4.90.0040.01316.59
7.4.80.0090.00919.39
7.4.70.0160.00316.55
7.4.60.0160.00616.52
7.4.50.0030.00316.43
7.4.40.0030.01416.49
7.4.30.0060.00916.69
7.4.00.0100.00515.04
7.3.330.0050.00213.12
7.3.320.0030.00313.14
7.3.310.0030.00316.38
7.3.300.0000.00716.28
7.3.290.0080.00816.28
7.3.280.0080.01116.28
7.3.270.0290.01917.40
7.3.260.0120.00616.37
7.3.240.0070.01516.60
7.3.230.0030.01416.39
7.3.210.0050.01116.52
7.3.200.0070.01019.39
7.3.190.0110.01116.50
7.3.180.0120.00416.30
7.3.170.0040.01216.63
7.3.160.0130.00916.38
7.3.120.0080.00615.06
7.3.110.0070.01014.90
7.3.100.0060.00314.76
7.3.90.0110.00714.41
7.3.80.0030.01014.76
7.3.70.0100.00314.62
7.3.60.0110.00614.86
7.3.50.0070.00714.90
7.3.40.0030.00614.66
7.3.30.0040.00814.86
7.3.20.0080.00816.64
7.3.10.0030.00616.84
7.3.00.0140.00516.62
7.2.330.0110.00816.58
7.2.320.0130.00916.69
7.2.310.0090.00916.56
7.2.300.0040.01916.61
7.2.290.0060.01016.62
7.2.250.0100.01015.12
7.2.240.0030.01215.06
7.2.230.0000.01714.94
7.2.220.0110.00715.12
7.2.210.0080.00514.96
7.2.200.0000.01214.66
7.2.190.0030.01015.11
7.2.180.0040.00914.87
7.2.170.0030.00815.06
7.2.130.0140.00416.85
7.2.120.0120.01216.72
7.2.110.0100.01316.55
7.2.100.0180.00016.73
7.2.90.0090.01316.50
7.2.80.0100.01316.89
7.2.70.0160.00316.84
7.2.60.0090.00816.91
7.2.50.0110.00716.74
7.2.40.0130.01016.83
7.2.30.0050.01117.09
7.2.20.0140.00716.54
7.2.10.0090.00616.77
7.2.00.0040.01018.11
7.1.330.0070.00715.92
7.1.320.0030.00616.02
7.1.310.0030.00815.78
7.1.300.0130.00315.79
7.1.290.0100.00615.73
7.1.280.0100.00315.86
7.1.270.0030.01015.53
7.1.260.0100.00715.69
7.1.250.0110.00815.65
7.1.240.0030.01015.91
7.1.230.0190.00415.71
7.1.220.0080.01215.71
7.1.210.0150.00815.66
7.1.200.0120.00515.54
7.1.190.0100.01015.86
7.1.180.0080.00815.53
7.1.170.0100.00715.89
7.1.160.0120.00915.63
7.1.150.0090.00715.54
7.1.140.0070.00715.73
7.1.130.0040.01715.69
7.1.120.0000.01215.75
7.1.110.0140.00715.64
7.1.100.0060.00716.89
7.1.90.0090.01315.73
7.1.80.0170.00315.66
7.1.70.0060.00716.34
7.1.60.0110.01117.55
7.1.50.0130.00816.25
7.1.40.0250.00015.66
7.1.30.0090.01215.75
7.1.20.0190.00615.76
7.1.10.0060.00315.77
7.1.00.0070.04019.11
7.0.330.0060.01415.08
7.0.320.0090.00615.46
7.0.310.0090.00315.21
7.0.300.0060.00915.41
7.0.290.0070.00415.52
7.0.280.0050.00515.07
7.0.270.0060.01315.38
7.0.260.0070.01415.50
7.0.250.0070.01115.30
7.0.240.0060.00915.52
7.0.230.0060.00615.55
7.0.220.0160.00415.16
7.0.210.0110.00415.22
7.0.200.0050.00816.04
7.0.190.0050.01315.36
7.0.180.0090.00915.42
7.0.170.0060.00615.30
7.0.160.0030.01415.23
7.0.150.0050.00815.34
7.0.140.0050.04018.69
7.0.130.0000.01215.46
7.0.120.0030.00615.13
7.0.110.0070.00715.46
7.0.100.0030.01115.41
7.0.90.0090.00314.93
7.0.80.0060.00615.36
7.0.70.0070.00715.49
7.0.60.0080.02517.69
7.0.50.0100.04116.61
7.0.40.0050.04716.65
7.0.30.0120.05116.60
7.0.20.0170.02916.61
7.0.10.0030.03316.65
7.0.00.0080.04516.82
5.6.380.0110.00914.48
5.6.370.0050.00514.06
5.6.360.0000.01513.79
5.6.350.0000.01014.39
5.6.340.0040.00813.99
5.6.330.0040.00713.80
5.6.320.0000.01314.06
5.6.310.0100.00014.21
5.6.300.0060.00614.29
5.6.290.0060.00314.18
5.6.280.0030.04017.68
5.6.270.0070.00714.13
5.6.260.0070.00714.04
5.6.250.0000.01314.03
5.6.240.0110.00014.24
5.6.230.0000.01113.84
5.6.220.0110.00414.03
5.6.210.0040.03917.32
5.6.200.0080.01816.04
5.6.190.0130.01817.29
5.6.180.0160.04017.46
5.6.170.0150.03417.27
5.6.160.0050.02417.21
5.6.150.0150.03716.27
5.6.140.0060.02416.18
5.6.130.0140.03416.04
5.6.120.0090.03817.40
5.6.110.0070.05017.54
5.6.100.0130.03817.58
5.6.90.0130.03717.46
5.6.80.0180.03517.16
5.6.70.0090.00613.91
5.6.60.0080.00813.98
5.6.50.0100.00713.82
5.6.40.0100.00713.98
5.6.30.0080.00813.95
5.6.20.0060.00514.00
5.6.10.0070.00313.86
5.6.00.0060.00313.95
5.5.380.0000.00811.01
5.5.370.0070.00511.00
5.5.360.0000.01110.86
5.5.350.0190.03415.58
5.5.340.0090.03914.29
5.5.330.0090.03115.50
5.5.320.0190.04415.47
5.5.310.0160.04015.56
5.5.300.0040.03114.33
5.5.290.0080.02214.51
5.5.280.0110.04315.76
5.5.270.0000.02615.74
5.5.260.0070.02315.76
5.5.250.0070.02715.66
5.5.240.0150.03915.46
5.5.230.0130.00010.56
5.5.220.0080.00410.71
5.5.210.0030.00810.68
5.5.200.0070.00310.66
5.5.190.0030.00910.87
5.5.180.0040.00810.56
5.5.170.0040.00410.54
5.5.160.0040.00710.58
5.5.150.0070.00410.76
5.5.140.0050.00510.32
5.5.130.0030.00710.60
5.5.120.0040.00410.89
5.5.110.0030.00610.70
5.5.100.0040.00410.30
5.5.90.0000.01210.79
5.5.80.0080.00410.73
5.5.70.0030.00910.49
5.5.60.0000.01110.76
5.5.50.0090.00310.75
5.5.40.0040.00710.60
5.5.30.0050.00210.67
5.5.20.0030.00810.66
5.5.10.0040.00710.39
5.5.00.0080.00410.29
5.4.450.0170.02314.91
5.4.440.0190.02615.08
5.4.430.0200.02814.90
5.4.420.0150.02515.10
5.4.410.0130.02314.94
5.4.400.0140.02315.06
5.4.390.0330.02214.93
5.4.380.0270.02614.62
5.4.370.0230.02414.63
5.4.360.0170.02914.66
5.4.350.0180.02714.69
5.4.340.0180.02714.61
5.4.330.0070.00010.79
5.4.320.0070.01911.49
5.4.310.0050.02111.51
5.4.300.0040.02111.57
5.4.290.0070.02011.61
5.4.280.0050.02111.60
5.4.270.0080.01811.53
5.4.260.0050.02111.60
5.4.250.0070.01911.59
5.4.240.0070.02011.65
5.4.230.0050.02211.41
5.4.220.0060.02011.40
5.4.210.0080.01911.57
5.4.200.0070.02111.50
5.4.190.0060.02011.47
5.4.180.0060.02011.50
5.4.170.0030.02111.65
5.4.160.0060.01911.59
5.4.150.0040.02211.58
5.4.140.0040.02111.55
5.4.130.0020.02111.31
5.4.120.0050.02011.43
5.4.110.0060.01611.37
5.4.100.0030.02311.25
5.4.90.0040.02011.34
5.4.80.0040.02211.26
5.4.70.0060.01711.37
5.4.60.0030.02111.47
5.4.50.0070.01811.38
5.4.40.0060.01811.22
5.4.30.0050.01911.34
5.4.20.0050.01911.26
5.4.10.0040.02011.28
5.4.00.0040.02210.98
5.3.290.0050.02311.55
5.3.280.0020.02411.50
5.3.270.0050.02211.49
5.3.260.0030.02411.52
5.3.250.0040.01911.56
5.3.240.0030.02111.48
5.3.230.0050.01911.48
5.3.220.0040.02011.56
5.3.210.0050.02211.47
5.3.200.0040.02511.47
5.3.190.0030.02211.61
5.3.180.0050.02111.53
5.3.170.0030.02111.46
5.3.160.0020.02311.59
5.3.150.0040.02211.63
5.3.140.0060.02111.59
5.3.130.0060.02011.55
5.3.120.0050.02211.46
5.3.110.0060.02111.54
5.3.100.0070.01911.26
5.3.90.0060.01811.28
5.3.80.0020.02411.17
5.3.70.0050.02111.16
5.3.60.0020.02411.16
5.3.50.0030.02411.13
5.3.40.0050.01911.13
5.3.30.0020.02211.13
5.3.20.0020.02011.02
5.3.10.0060.01810.97
5.3.00.0050.02010.96
5.2.170.0050.0169.72
5.2.160.0050.0169.72
5.2.150.0030.0189.71
5.2.140.0020.0179.71
5.2.130.0070.0159.69
5.2.120.0060.0169.69
5.2.110.0030.0169.70
5.2.100.0070.0159.70
5.2.90.0060.0159.69
5.2.80.0040.0189.69
5.2.70.0020.0179.69
5.2.60.0030.0189.67
5.2.50.0010.0209.65
5.2.40.0040.0169.64
5.2.30.0040.0169.63
5.2.20.0020.0199.63
5.2.10.0060.0149.59
5.2.00.0050.0169.51
5.1.60.0050.0199.16
5.1.50.0040.0149.16
5.1.40.0070.0139.14
5.1.30.0030.0169.32
5.1.20.0040.0159.33
5.1.10.0040.0169.20
5.1.00.0020.0159.19
5.0.50.0060.0138.43
5.0.40.0020.0128.36
5.0.30.0040.0168.27
5.0.20.0030.0118.25
5.0.10.0040.0188.24
5.0.00.0030.0178.24
4.4.90.0020.0107.52
4.4.80.0010.0107.50
4.4.70.0020.0097.50
4.4.60.0030.0087.51
4.4.50.0030.0107.51
4.4.40.0040.0137.48
4.4.30.0030.0087.51
4.4.20.0010.0117.55
4.4.10.0050.0117.55
4.4.00.0030.0147.51
4.3.110.0040.0097.46
4.3.100.0010.0117.46
4.3.90.0030.0087.44
4.3.80.0020.0137.42
4.3.70.0030.0117.44
4.3.60.0040.0077.44
4.3.50.0010.0117.44
4.3.40.0040.0127.40
4.3.30.0020.0096.77
4.3.20.0020.0116.76
4.3.10.0030.0086.73
4.3.00.0020.00913.09

preferences:
62.54 ms | 400 KiB | 5 Q