3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "PHp: A programming language"; $result = preg_replace_callback('/^([^a-z]*)([a-z])/i', function($m) { return $m[1].strtoupper($m[2]); }, $text); echo $result;

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)
8.3.60.0040.01116.88
8.3.50.0120.00822.91
8.3.40.0140.00419.00
8.3.30.0110.00419.04
8.3.20.0080.00020.34
8.3.10.0030.00523.48
8.3.00.0080.00019.51
8.2.180.0120.00616.63
8.2.170.0000.01522.96
8.2.160.0100.00320.57
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0050.00321.20
8.2.110.0150.00319.91
8.2.100.0060.00618.03
8.2.90.0040.00417.88
8.2.80.0050.00318.95
8.2.70.0040.00417.75
8.2.60.0060.00317.61
8.2.50.0000.00817.93
8.2.40.0050.00219.30
8.2.30.0040.00418.07
8.2.20.0080.00017.95
8.2.10.0080.00018.21
8.2.00.0030.00617.90
8.1.280.0140.00725.92
8.1.270.0060.00323.79
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0060.00323.82
8.1.230.0070.00421.03
8.1.220.0030.00517.74
8.1.210.0060.00318.77
8.1.200.0000.00817.48
8.1.190.0090.00517.13
8.1.180.0000.00818.10
8.1.170.0080.00017.63
8.1.160.0000.00722.11
8.1.150.0020.00518.92
8.1.140.0000.00717.59
8.1.130.0030.00317.86
8.1.120.0000.00717.52
8.1.110.0000.00717.53
8.1.100.0000.00717.63
8.1.90.0000.00817.60
8.1.80.0070.00017.66
8.1.70.0030.00317.56
8.1.60.0030.00617.75
8.1.50.0070.00317.63
8.1.40.0000.00817.71
8.1.30.0000.00817.80
8.1.20.0060.00317.81
8.1.10.0050.00317.61
8.1.00.0040.00417.55
8.0.300.0050.00518.77
8.0.290.0060.00316.63
8.0.280.0030.00318.41
8.0.270.0040.00416.98
8.0.260.0080.00017.20
8.0.250.0000.00717.02
8.0.240.0030.00317.07
8.0.230.0000.00717.00
8.0.220.0030.00317.12
8.0.210.0000.00717.05
8.0.200.0030.00317.11
8.0.190.0080.00417.13
8.0.180.0000.00816.98
8.0.170.0080.00016.99
8.0.160.0000.00716.92
8.0.150.0040.00416.89
8.0.140.0030.00517.00
8.0.130.0050.00513.54
8.0.120.0050.00217.00
8.0.110.0040.00417.12
8.0.100.0050.00216.92
8.0.90.0000.00717.16
8.0.80.0120.00317.09
8.0.70.0000.00717.03
8.0.60.0040.00416.92
8.0.50.0040.00417.00
8.0.30.0120.00617.31
8.0.20.0020.01717.42
8.0.10.0060.00317.06
8.0.00.0130.00517.00
7.4.330.0060.00015.11
7.4.320.0060.00016.79
7.4.300.0060.00016.71
7.4.290.0030.00316.86
7.4.280.0000.00816.79
7.4.270.0040.00416.67
7.4.260.0070.00416.69
7.4.250.0040.00416.70
7.4.240.0040.00416.69
7.4.230.0000.00716.89
7.4.220.0040.01516.86
7.4.210.0080.00716.82
7.4.200.0040.00416.86
7.4.160.0040.01316.67
7.4.150.0110.00717.40
7.4.140.0080.01017.86
7.4.130.0100.00716.62
7.4.120.0110.01016.80
7.4.110.0070.01016.91
7.4.100.0030.01616.72
7.4.90.0090.00916.70
7.4.80.0090.00919.39
7.4.70.0120.01216.80
7.4.60.0100.00716.75
7.4.50.0050.00316.86
7.4.40.0130.00716.68
7.4.30.0030.01316.78
7.4.00.0130.00415.08
7.3.330.0030.00313.30
7.3.320.0050.00013.57
7.3.310.0000.00716.50
7.3.300.0000.00616.52
7.3.290.0030.01016.48
7.3.280.0080.00816.46
7.3.270.0180.00017.40
7.3.260.0110.00516.45
7.3.250.0050.01516.58
7.3.240.0120.01216.60
7.3.230.0070.01016.50
7.3.210.0080.00816.57
7.3.200.0070.01019.39
7.3.190.0190.00316.70
7.3.180.0090.00616.75
7.3.170.0060.01016.52
7.3.160.0070.01016.44
7.3.120.0060.00914.69
7.3.110.0000.01715.00
7.3.100.0030.01114.97
7.3.90.0120.00414.99
7.3.80.0000.01615.27
7.3.70.0100.00314.80
7.3.60.0000.01015.12
7.3.50.0080.00315.02
7.3.40.0070.00714.77
7.3.30.0000.01114.83
7.3.20.0000.01417.02
7.3.10.0070.00716.75
7.3.00.0000.00916.53
7.2.330.0150.00316.90
7.2.320.0060.01816.89
7.2.310.0200.01716.67
7.2.300.0040.01516.96
7.2.290.0090.00716.94
7.2.250.0110.00815.33
7.2.240.0140.00715.21
7.2.230.0030.00914.97
7.2.220.0040.01515.34
7.2.210.0090.00915.05
7.2.200.0060.00915.44
7.2.190.0120.00615.32
7.2.180.0070.00715.16
7.2.170.0090.00615.29
7.2.00.0030.00619.76
7.1.330.0030.01415.85
7.1.320.0070.00715.76
7.1.310.0090.00915.86
7.1.300.0040.01115.71
7.1.290.0040.01116.11
7.1.280.0120.00616.15
7.1.270.0040.01115.57
7.1.260.0060.00915.84
7.1.100.0000.01118.55
7.1.70.0030.00517.52
7.1.60.0170.00719.40
7.1.50.0100.01417.11
7.1.00.0030.07322.38
7.0.200.0060.00617.00
7.0.140.0030.07322.08
7.0.60.0100.05720.03
7.0.50.0130.06717.75
7.0.40.0130.07719.98
7.0.30.0230.06020.26
7.0.20.0200.06020.21
7.0.10.0100.08020.14
7.0.00.0030.06020.29
5.6.210.0070.07320.52
5.6.200.0230.06318.12
5.6.190.0070.04020.64
5.6.180.0300.08020.48
5.6.170.0270.03720.52
5.6.160.0170.06320.45
5.6.150.0070.07718.25
5.6.140.0030.08718.17
5.6.130.0100.07718.18
5.6.120.0230.06021.15
5.6.110.0070.08021.13
5.6.100.0030.04720.99
5.6.90.0100.06320.97
5.6.80.0100.07720.42
5.5.350.4330.04020.45
5.5.340.0070.07717.94
5.5.330.0030.06320.14
5.5.320.0200.05020.34
5.5.310.0370.05020.39
5.5.300.0070.06718.07
5.5.290.0030.05317.95
5.5.280.0000.09320.89
5.5.270.0070.08320.96
5.5.260.0070.03720.87
5.5.250.0070.07720.68
5.5.240.0070.07320.07
5.4.450.0830.06019.40
5.4.440.0700.06319.52
5.4.430.0130.05019.32
5.4.420.0770.06019.51
5.4.410.0130.04719.20
5.4.400.0600.05319.10
5.4.390.0700.04719.06
5.4.380.0170.04318.79
5.4.370.0130.03318.69
5.4.360.0130.03318.81
5.4.350.0110.07212.02
5.4.340.0080.03512.02
5.4.320.0040.03812.50
5.4.310.0050.03812.50
5.4.300.0070.03912.50
5.4.290.0090.04912.50
5.4.280.0100.04212.39
5.4.270.0070.03612.39
5.4.260.0050.03912.39
5.4.250.0060.03712.39
5.4.240.0060.03512.40
5.4.230.0090.03512.38
5.4.220.0070.03612.39
5.4.210.0050.03712.38
5.4.200.0040.04012.39
5.4.190.0060.03712.38
5.4.180.0050.03812.39
5.4.170.0020.04012.40
5.4.160.0060.03512.39
5.4.150.0080.03512.38
5.4.140.0130.02912.07
5.4.130.0060.03512.06
5.4.120.0080.03412.01
5.4.110.0020.04812.01
5.4.100.0060.04112.01
5.4.90.0060.03612.01
5.4.80.0080.03612.01
5.4.70.0060.03512.01
5.4.60.0080.03112.01
5.4.50.0080.03212.01
5.4.40.0060.03412.00
5.4.30.0050.04211.99
5.4.20.0080.03312.00
5.4.10.0070.03511.99
5.4.00.0060.03511.48
5.3.290.0110.04012.80
5.3.280.0070.03612.71
5.3.270.0070.03712.72
5.3.260.0080.04112.72
5.3.250.0050.04012.72
5.3.240.0050.03812.72
5.3.230.0080.04712.70
5.3.220.0110.03212.68
5.3.210.0040.04012.68
5.3.200.0070.03812.68
5.3.190.0070.04012.67
5.3.180.0080.03412.67
5.3.170.0060.03812.67
5.3.160.0060.03712.67
5.3.150.0060.03712.68
5.3.140.0080.03412.66
5.3.130.0040.04412.66
5.3.120.0070.03812.66
5.3.110.0050.03912.66
5.3.100.0050.03812.12
5.3.90.0090.03912.11
5.3.80.0050.03812.11
5.3.70.0050.03712.11
5.3.60.0070.03812.09
5.3.50.0060.04112.03
5.3.40.0060.03712.04
5.3.30.0050.03511.99
5.3.20.0070.04211.77
5.3.10.0070.03311.74
5.3.00.0070.03911.73
5.2.170.0060.0349.18
5.2.160.0040.0309.18
5.2.150.0050.0309.18
5.2.140.0030.0329.18
5.2.130.0050.0329.14
5.2.120.0040.0299.14
5.2.110.0060.0349.15
5.2.100.0030.0309.14
5.2.90.0040.0299.14
5.2.80.0060.0299.14
5.2.70.0050.0299.14
5.2.60.0020.0319.10
5.2.50.0060.0309.06
5.2.40.0040.0369.04
5.2.30.0050.0299.02
5.2.20.0050.0299.01
5.2.10.0040.0288.92
5.2.00.0030.0338.78
5.1.60.0040.0308.06
5.1.50.0040.0308.06
5.1.40.0020.0278.05
5.1.30.0040.0268.39
5.1.20.0060.0338.42
5.1.10.0050.0328.14
5.1.00.0040.0268.14
5.0.50.0030.0256.62
5.0.40.0040.0256.48
5.0.30.0040.0306.29
5.0.20.0030.0196.26
5.0.10.0030.0196.24
5.0.00.0030.0306.23
4.4.90.0010.0254.77
4.4.80.0030.0154.75
4.4.70.0020.0174.75
4.4.60.0040.0214.76
4.4.50.0030.0234.77
4.4.40.0020.0274.71
4.4.30.0020.0224.76
4.4.20.0100.0124.84
4.4.10.0030.0254.84
4.4.00.0030.0244.76
4.3.110.0010.0184.66
4.3.100.0030.0164.66
4.3.90.0040.0134.63
4.3.80.0020.0254.59
4.3.70.0010.0164.63
4.3.60.0060.0124.63
4.3.50.0020.0164.62
4.3.40.0030.0234.54
4.3.30.0030.0153.28
4.3.20.0020.0173.26
4.3.10.0030.0153.22
4.3.00.0130.0277.82

preferences:
34.74 ms | 401 KiB | 5 Q