3v4l.org

run code in 300+ PHP versions simultaneously
<?php $txt = <<<TXT jkDDDJJJJjjjjJJlk jhlkj_sdHHhhHhhHHHHHHH kjhlkjh_JJJjjkkkkIIIIiiii TXT; echo preg_replace('/(.)(.*)/', "\u\\1\L\\2\E", $txt);

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)
8.3.60.0160.00018.68
8.3.50.0170.00721.21
8.3.40.0060.00918.84
8.3.30.0130.00020.30
8.3.20.0070.00020.20
8.3.10.0050.00221.95
8.3.00.0080.00022.39
8.2.180.0110.01116.75
8.2.170.0110.00322.96
8.2.160.0030.01022.38
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00720.98
8.2.110.0030.00620.35
8.2.100.0000.01117.84
8.2.90.0080.00019.11
8.2.80.0000.00819.34
8.2.70.0030.00517.88
8.2.60.0060.00318.04
8.2.50.0030.00618.07
8.2.40.0000.00818.34
8.2.30.0050.00219.53
8.2.20.0040.00417.86
8.2.10.0040.00417.78
8.2.00.0000.00717.67
8.1.280.0160.00325.92
8.1.270.0050.00323.99
8.1.260.0000.00726.35
8.1.250.0060.00328.09
8.1.240.0100.00723.83
8.1.230.0090.00319.00
8.1.220.0030.00517.76
8.1.210.0000.00818.77
8.1.200.0030.00617.47
8.1.190.0060.00317.39
8.1.180.0050.00318.10
8.1.170.0000.00818.71
8.1.160.0040.00418.92
8.1.150.0040.00418.69
8.1.140.0000.00717.55
8.1.130.0030.00317.90
8.1.120.0040.00417.46
8.1.110.0050.00217.48
8.1.100.0070.00017.53
8.1.90.0000.00717.45
8.1.80.0070.00017.54
8.1.70.0030.00317.40
8.1.60.0030.00617.69
8.1.50.0040.00417.65
8.1.40.0060.00317.64
8.1.30.0070.00017.68
8.1.20.0080.00017.65
8.1.10.0030.00617.64
8.1.00.0020.00517.46
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0000.00718.39
8.0.270.0030.00517.16
8.0.260.0030.00517.05
8.0.250.0030.00317.18
8.0.240.0000.00817.06
8.0.230.0000.00717.07
8.0.220.0040.00417.09
8.0.210.0070.00017.02
8.0.200.0060.00017.15
8.0.190.0000.00717.19
8.0.180.0070.00016.94
8.0.170.0050.00317.00
8.0.160.0000.00716.92
8.0.150.0050.00316.82
8.0.140.0040.00416.96
8.0.130.0000.00613.44
8.0.120.0000.00816.98
8.0.110.0040.00417.04
8.0.100.0050.00317.08
8.0.90.0080.00017.07
8.0.80.0110.00717.00
8.0.70.0000.00716.98
8.0.60.0020.00516.91
8.0.50.0040.00417.03
8.0.30.0110.00817.36
8.0.20.0100.01017.40
8.0.10.0000.00717.20
8.0.00.0160.00516.85
7.4.330.0030.00316.75
7.4.320.0030.00316.72
7.4.300.0000.00616.71
7.4.290.0070.00016.75
7.4.280.0030.00316.68
7.4.270.0030.00316.73
7.4.260.0030.00313.47
7.4.250.0020.00516.68
7.4.240.0040.00416.70
7.4.230.0000.00716.77
7.4.220.0110.00716.76
7.4.210.0060.01116.71
7.4.200.0030.00316.74
7.4.190.0060.00016.82
7.4.160.0070.01516.66
7.4.150.0090.01017.40
7.4.140.0160.00317.86
7.4.130.0120.00916.79
7.4.120.0070.01216.78
7.4.110.0140.00316.46
7.4.100.0070.01016.58
7.4.90.0150.00316.59
7.4.80.0130.01319.39
7.4.70.0090.00916.45
7.4.60.0090.00916.60
7.4.50.0040.00416.75
7.4.40.0070.00722.77
7.4.30.0070.01016.56
7.4.00.0030.01315.09
7.3.330.0050.00013.29
7.3.320.0020.00213.07
7.3.310.0030.00316.21
7.3.300.0030.00316.36
7.3.290.0130.00016.34
7.3.280.0100.00816.37
7.3.270.0060.01017.40
7.3.260.0060.01216.61
7.3.250.0160.00016.42
7.3.240.0120.00616.47
7.3.230.0150.00316.66
7.3.210.0000.01816.40
7.3.200.0070.01619.39
7.3.190.0160.00716.50
7.3.180.0070.01016.42
7.3.170.0150.00616.42
7.3.160.0100.00616.50
7.3.120.0100.00615.07
7.2.330.0170.00316.76
7.2.320.0190.00516.66
7.2.310.0030.02116.75
7.2.300.0120.00616.53
7.2.290.0090.00616.66
7.2.60.0060.00617.04
7.1.200.0060.00615.88
7.1.100.0060.00318.14
7.1.70.0030.00917.26
7.1.60.0060.01919.17
7.1.50.0090.01516.77
7.1.00.0100.02722.41
7.0.200.0030.00617.00
7.0.140.0070.07022.08
7.0.60.0100.08319.86
7.0.50.0100.08017.90
7.0.40.0100.06320.02
7.0.30.0100.06320.32
7.0.20.0370.08020.18
7.0.10.0330.05020.01
7.0.00.0030.04320.21
5.6.280.0170.05721.09
5.6.210.0030.04720.53
5.6.200.0070.08018.15
5.6.190.0030.07020.34
5.6.180.0300.06720.48
5.6.170.0200.04020.52
5.6.160.0030.08020.41
5.6.150.0100.07318.12
5.6.140.0170.07718.22
5.6.130.0070.07318.18
5.6.120.0070.08020.98
5.6.110.0130.07321.02
5.6.100.0100.07321.04
5.6.90.0000.08321.10
5.6.80.0030.06020.52
5.6.70.4000.03720.36
5.5.350.0000.08320.45
5.5.340.0100.07717.89
5.5.330.0030.04320.45
5.5.320.0470.07020.30
5.5.310.0230.07020.23
5.5.300.0030.07017.91
5.5.290.0100.08017.88
5.5.280.0070.05320.96
5.5.270.0030.05020.64
5.5.260.0070.08720.72
5.5.250.0070.07720.62
5.5.240.0170.05020.25
5.4.450.0230.05719.13
5.4.440.0300.04719.25
5.4.430.0330.06319.56
5.4.420.0270.08319.41
5.4.410.0270.03719.43
5.4.400.0170.05019.08
5.4.390.0370.06719.21
5.4.380.0300.05018.80
5.4.370.0270.04319.13
5.4.360.0230.03718.88
5.4.350.0200.04019.21
5.4.340.0430.05719.21
5.4.320.0430.05719.13
5.4.310.0330.05319.23
5.4.300.0230.07019.07
5.4.290.0300.05018.80
5.4.280.0230.05319.21
5.4.270.0230.06319.11
5.4.260.0270.04319.21
5.4.250.0300.03019.07
5.4.240.0300.05718.80
5.4.230.0230.04318.91
5.4.220.0200.04318.93
5.4.210.0330.04318.78
5.4.200.0300.05019.07
5.4.190.0330.05019.07
5.4.180.0230.05719.11
5.4.170.0300.06019.04
5.4.160.0270.05318.86
5.4.150.0230.05719.03
5.4.140.0270.06016.17
5.4.130.0230.06316.30
5.4.120.0270.06716.44
5.4.110.0300.06016.30
5.4.100.0300.04016.52
5.4.90.0270.03316.39
5.4.80.0300.05316.44
5.4.70.0230.07316.39
5.4.60.0270.06316.18
5.4.50.0330.06316.31
5.4.40.0270.04716.49
5.4.30.0330.06316.44
5.4.20.0330.04316.44
5.4.10.0300.04316.36
5.4.00.0200.04015.78
5.3.290.0300.04714.63
5.3.280.0330.05714.43
5.3.270.0200.06314.55
5.3.260.0370.05714.54
5.3.250.0230.05714.44
5.3.240.0200.07314.44
5.3.230.0300.06714.62
5.3.220.0230.07014.41
5.3.210.0300.07314.40
5.3.200.0270.06714.39
5.3.190.0230.03714.55
5.3.180.0230.05714.51
5.3.170.0300.06314.50
5.3.160.0230.03714.50
5.3.150.0300.06714.38
5.3.140.0270.04714.57
5.3.130.0230.06714.49
5.3.120.0300.06014.48
5.3.110.0300.03014.52
5.3.100.0200.04014.07
5.3.90.0200.05014.10
5.3.80.0270.07013.96
5.3.70.0230.04014.04
5.3.60.0300.03013.77
5.3.50.0270.07013.84
5.3.40.0200.04013.88
5.3.30.0230.04713.85
5.3.20.0230.04313.71
5.3.10.0270.04713.61
5.3.00.0200.03713.47
5.2.170.0230.05711.69
5.2.160.0170.03311.69
5.2.150.0270.04711.69
5.2.140.0270.05711.69
5.2.130.0200.02711.69
5.2.120.0170.03011.69
5.2.110.0130.04011.69
5.2.100.0270.05711.69
5.2.90.0230.05711.69
5.2.80.0170.06011.69
5.2.70.0270.05011.69
5.2.60.0230.05011.69
5.2.50.0200.04311.69
5.2.40.0130.03011.69
5.2.30.0170.04311.69
5.2.20.0200.03311.69
5.2.10.0100.03311.69
5.2.00.0130.03011.69
5.1.60.0170.05011.69
5.1.50.0200.02311.69
5.1.40.0300.04311.69
5.1.30.0170.04011.69
5.1.20.0200.03311.69
5.1.10.0170.02711.69
5.1.00.0170.02311.69
5.0.50.0130.01711.69
5.0.40.0070.03011.69
5.0.30.0100.04011.69
5.0.20.0100.03311.69
5.0.10.0030.02311.69
5.0.00.0100.03011.69
4.4.90.0170.03311.69
4.4.80.0130.03011.69
4.4.70.0130.01311.69
4.4.60.0070.01711.69
4.4.50.0100.01711.69
4.4.40.0130.04011.69
4.4.30.0070.01711.69
4.4.20.0030.02011.69
4.4.10.0130.01011.69
4.4.00.0130.03711.69
4.3.110.0070.02311.69
4.3.100.0100.03711.69
4.3.90.0130.03311.69
4.3.80.0100.05011.69
4.3.70.0100.01311.69
4.3.60.0130.03011.69
4.3.50.0100.02711.69
4.3.40.0100.05311.69
4.3.30.0070.02011.69
4.3.20.0030.02011.69
4.3.10.0000.03011.69
4.3.00.0030.02711.69

preferences:
52.6 ms | 401 KiB | 5 Q