3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = preg_replace('/(\w)(.)?/e', "strtoupper('$1').strtolower('$2')", 'test example.Hello World'); echo $str; ?>

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)
8.3.60.0080.00616.88
8.3.50.0040.01118.27
8.3.40.0140.00418.70
8.3.30.0070.01118.66
8.3.20.0000.00720.21
8.3.10.0080.00023.45
8.3.00.0000.00817.88
8.2.180.0190.00316.50
8.2.170.0110.01122.96
8.2.160.0000.01320.39
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0060.00317.50
8.2.110.0040.00721.06
8.2.100.0070.00417.78
8.2.90.0000.00817.91
8.2.80.0060.00617.97
8.2.70.0070.00417.63
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0030.00621.25
8.2.30.0070.00020.62
8.2.20.0060.00317.68
8.2.10.0070.00018.05
8.2.00.0040.00418.04
8.1.280.0130.00725.92
8.1.270.0030.00523.96
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.59
8.1.230.0040.00721.04
8.1.220.0030.00517.74
8.1.210.0000.00818.96
8.1.200.0080.00017.23
8.1.190.0030.00517.10
8.1.180.0080.00018.10
8.1.170.0000.00820.32
8.1.160.0040.00421.83
8.1.150.0000.00818.88
8.1.140.0030.00621.34
8.1.130.0030.00617.62
8.1.120.0000.00717.33
8.1.110.0040.00417.36
8.1.100.0050.00317.30
8.1.90.0000.00817.29
8.1.80.0050.00217.39
8.1.70.0070.00017.34
8.1.60.0030.00617.54
8.1.50.0030.00617.34
8.1.40.0070.00017.36
8.1.30.0050.00317.57
8.1.20.0050.00317.59
8.1.10.0000.00817.42
8.1.00.0050.00317.43
8.0.300.0000.00820.04
8.0.290.0040.00416.75
8.0.280.0070.00018.32
8.0.270.0030.00317.17
8.0.260.0030.00317.25
8.0.250.0020.00516.91
8.0.240.0040.00416.98
8.0.230.0000.00716.94
8.0.220.0030.00316.93
8.0.210.0050.00316.82
8.0.200.0070.00016.98
8.0.190.0040.00416.97
8.0.180.0040.00416.94
8.0.170.0040.00416.82
8.0.160.0030.00316.92
8.0.150.0050.00216.78
8.0.140.0020.00516.75
8.0.130.0000.00613.33
8.0.120.0040.00416.79
8.0.110.0070.00016.80
8.0.100.0080.00016.71
8.0.90.0070.00016.90
8.0.80.0120.00316.93
8.0.70.0050.00316.98
8.0.60.0000.00816.80
8.0.50.0000.00716.77
8.0.30.0110.00617.10
8.0.20.0110.00917.41
8.0.10.0040.00416.88
8.0.00.0100.00716.77
7.4.330.0020.00215.08
7.4.320.0000.00716.57
7.4.300.0000.00716.59
7.4.290.0040.00416.46
7.4.280.0040.00416.56
7.4.270.0030.00316.46
7.4.260.0030.00316.59
7.4.250.0040.00416.51
7.4.240.0050.00216.48
7.4.230.0070.00016.42
7.4.220.0160.00316.61
7.4.210.0070.00716.48
7.4.200.0070.00016.55
7.4.160.0040.01116.55
7.4.150.0160.00317.40
7.4.140.0060.01517.86
7.4.130.0080.00816.60
7.4.120.0110.01016.54
7.4.110.0120.00616.43
7.4.100.0090.00916.46
7.4.90.0140.00316.31
7.4.80.0030.01419.39
7.4.70.0130.00516.56
7.4.60.0060.00916.54
7.4.50.0040.00416.39
7.4.40.0100.00716.57
7.4.30.0120.00816.21
7.4.00.0070.00715.02
7.3.330.0050.00013.11
7.3.320.0020.00313.21
7.3.310.0030.00316.20
7.3.300.0000.00716.29
7.3.290.0060.01016.27
7.3.280.0090.00916.26
7.3.270.0030.01417.40
7.3.260.0060.01016.34
7.3.250.0090.00916.46
7.3.240.0120.00516.39
7.3.230.0120.00616.39
7.3.210.0090.01416.21
7.3.200.0030.01416.54
7.3.190.0110.00516.19
7.3.180.0100.00716.46
7.3.170.0060.00916.33
7.3.160.0100.00516.30
7.3.120.0090.00914.99
7.3.110.0110.00414.59
7.3.100.0000.01714.58
7.3.90.0070.00714.72
7.3.80.0090.00614.98
7.3.70.0150.00014.83
7.3.60.0040.01114.48
7.3.50.0090.00314.82
7.3.40.0030.00914.50
7.3.30.0040.00814.63
7.3.20.0000.01116.68
7.3.10.0030.01016.66
7.3.00.0030.00916.26
7.2.330.0080.00916.63
7.2.320.0100.00716.59
7.2.310.0070.01016.75
7.2.300.0040.01216.71
7.2.290.0130.00416.60
7.2.240.0030.01315.04
7.2.230.0060.01015.26
7.2.220.0030.01115.09
7.2.210.0090.00615.20
7.2.200.0140.00015.02
7.2.190.0090.00615.16
7.2.180.0000.01515.16
7.2.170.0040.01415.21
7.2.160.0060.00815.20
7.2.150.0100.00616.74
7.2.140.0000.00816.90
7.2.130.0030.01016.83
7.2.120.0080.00417.14
7.2.110.0080.00417.02
7.2.100.0080.00817.21
7.2.90.0040.01116.98
7.2.80.0030.00616.88
7.2.70.0070.01016.81
7.2.60.0080.00816.89
7.2.50.0030.01016.80
7.2.40.0000.01316.91
7.2.30.0110.00017.00
7.2.20.0030.01317.11
7.2.10.0060.01016.85
7.2.00.0060.00718.21
7.1.330.0100.00715.95
7.1.320.0030.00615.68
7.1.310.0030.01016.00
7.1.300.0050.00515.66
7.1.290.0090.00016.01
7.1.280.0030.00615.88
7.1.270.0100.00315.60
7.1.260.0100.00315.88
7.1.250.0080.00416.11
7.1.200.0100.00315.79
7.1.100.0000.01118.33
7.1.70.0100.00317.26
7.1.60.0030.02019.11
7.1.50.0070.01517.19
7.1.00.0000.08022.43
7.0.200.0100.00615.02
7.0.60.0070.07720.01
7.0.50.0030.08317.78
7.0.40.0070.04320.08
7.0.30.0300.06320.14
7.0.20.0230.04320.13
7.0.10.0270.07720.17
7.0.00.0030.04320.17
5.6.280.0030.03321.09
5.6.210.0100.04720.74
5.6.200.0000.08718.19
5.6.190.0100.06020.56
5.6.180.3870.04720.38
5.6.170.0300.04020.47
5.6.160.0030.04020.38
5.6.150.0030.05318.21
5.6.140.0000.04318.20
5.6.130.0100.03718.15
5.6.120.0070.08720.98
5.6.110.0030.04021.10
5.6.100.0030.08320.97
5.6.90.0100.04721.09
5.6.80.0000.04020.40
5.6.70.0030.07020.38
5.5.350.0200.06020.31
5.5.340.0070.08317.91
5.5.330.0170.06320.21
5.5.320.0100.04320.43
5.5.310.0330.07320.41
5.5.300.0100.07318.00
5.5.290.0070.04317.88
5.5.280.0070.05320.73
5.5.270.0130.04020.85
5.5.260.0200.07020.86
5.5.250.0030.08320.65
5.5.240.0000.08020.25
5.4.450.0170.05319.54
5.4.440.0100.06319.49
5.4.430.0200.05719.29
5.4.420.0270.04719.32
5.4.410.0130.05319.39
5.4.400.0300.04018.78
5.4.390.0230.05019.13
5.4.380.0200.05319.26
5.4.370.0170.05319.15
5.4.360.0070.06019.22
5.4.350.0300.04019.14
5.4.340.0200.05019.15
5.4.320.0330.04019.31
5.4.310.0200.05019.09
5.4.300.0100.06019.14
5.4.290.0230.04719.22
5.4.280.0200.05019.22
5.4.270.0130.05319.30
5.4.260.0300.04719.30
5.4.250.0300.06719.16
5.4.240.0200.07318.91
5.4.230.0170.05019.18
5.4.220.0170.05319.09
5.4.210.0230.04319.19
5.4.200.0100.08019.16
5.4.190.0170.06719.29
5.4.180.0130.05019.14
5.4.170.0200.04719.24
5.4.160.0230.04318.97
5.4.150.0170.05318.93
5.4.140.0130.05316.39
5.4.130.0130.04716.59
5.4.120.0130.04716.28
5.4.110.0130.05016.20
5.4.100.0070.06016.58
5.4.90.0030.06316.20
5.4.80.0100.05016.44
5.4.70.0130.05016.33
5.4.60.0200.04316.20
5.4.50.0200.05316.46
5.4.40.0130.05016.19
5.4.30.0170.04716.38
5.4.20.0130.05016.43
5.4.10.0130.05016.49
5.4.00.0330.03315.88

preferences:
44.12 ms | 400 KiB | 5 Q