3v4l.org

run code in 300+ PHP versions simultaneously
<?php $match = preg_replace('/(?<=^|[\x09\x20\x2D])./e', 'strtoupper("\0")', "Test-Test1"); var_dump($match);

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)
8.3.60.0070.01018.43
8.3.50.0100.00521.08
8.3.40.0090.00618.67
8.3.30.0070.00720.09
8.3.20.0040.00420.21
8.3.10.0080.00021.90
8.3.00.0040.00422.39
8.2.180.0100.00718.29
8.2.170.0030.01322.96
8.2.160.0110.00320.39
8.2.150.0080.00024.18
8.2.140.0080.01224.66
8.2.130.0070.00726.16
8.2.120.0080.00019.66
8.2.110.0000.00922.08
8.2.100.0040.00817.72
8.2.90.0040.00418.96
8.2.80.0000.00719.23
8.2.70.0040.00717.50
8.2.60.0000.00917.91
8.2.50.0060.00318.07
8.2.40.0080.00018.09
8.2.30.0080.00017.91
8.2.20.0070.00017.53
8.2.10.0000.00817.60
8.2.00.0040.00417.61
8.1.280.0100.01025.92
8.1.270.0040.00424.66
8.1.260.0020.00526.35
8.1.250.0050.00328.09
8.1.240.0060.00322.10
8.1.230.0040.00819.10
8.1.220.0070.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0080.00017.43
8.1.180.0080.00020.13
8.1.170.0000.00818.45
8.1.160.0000.00722.13
8.1.150.0040.00418.47
8.1.140.0050.00217.25
8.1.130.0000.00617.70
8.1.120.0040.00417.27
8.1.110.0000.00717.41
8.1.100.0050.00317.30
8.1.90.0070.00017.29
8.1.80.0040.00417.41
8.1.70.0050.00317.35
8.1.60.0030.00617.50
8.1.50.0050.00217.34
8.1.40.0080.00017.37
8.1.30.0040.00417.39
8.1.20.0030.00617.59
8.1.10.0040.00417.44
8.1.00.0000.00917.26
8.0.300.0050.00218.77
8.0.290.0000.00717.05
8.0.280.0000.00718.28
8.0.270.0000.00717.14
8.0.260.0000.00716.68
8.0.250.0000.00616.96
8.0.240.0040.00416.98
8.0.230.0000.00716.81
8.0.220.0040.00216.86
8.0.210.0070.00016.92
8.0.200.0000.00616.93
8.0.190.0040.00716.83
8.0.180.0000.00916.87
8.0.170.0060.00316.88
8.0.160.0050.00316.79
8.0.150.0030.00516.83
8.0.140.0030.00416.74
8.0.130.0030.00313.29
8.0.120.0000.00716.74
8.0.110.0040.00416.84
8.0.100.0000.00816.67
8.0.90.0070.00016.74
8.0.80.0120.00316.88
8.0.70.0000.00716.82
8.0.60.0000.00816.92
8.0.50.0000.00816.68
8.0.30.0160.00817.12
8.0.20.0100.00817.40
8.0.10.0050.00317.06
8.0.00.0090.01116.80
7.4.330.0060.00015.00
7.4.320.0040.00416.34
7.4.300.0030.00316.29
7.4.290.0030.00316.32
7.4.280.0000.00616.52
7.4.270.0030.00316.48
7.4.260.0030.00616.44
7.4.250.0040.00416.33
7.4.240.0050.00216.49
7.4.230.0000.00816.53
7.4.220.0150.00416.39
7.4.210.0080.01016.55
7.4.200.0000.00716.42
7.4.190.0000.00716.48
7.4.160.0040.01616.43
7.4.150.0110.00617.40
7.4.140.0080.00917.86
7.4.130.0090.00916.35
7.4.120.0050.01116.61
7.4.110.0100.01016.61
7.4.100.0070.01016.30
7.4.90.0130.00516.27
7.4.80.0060.01119.39
7.4.70.0100.00716.51
7.4.60.0060.00916.40
7.4.50.0050.00016.57
7.4.40.0070.01022.77
7.4.30.0150.00616.53
7.4.00.0090.00314.70
7.3.330.0020.00213.13
7.3.320.0000.00513.18
7.3.310.0000.00716.33
7.3.300.0030.00316.10
7.3.290.0040.01116.17
7.3.280.0070.01216.18
7.3.270.0120.00417.40
7.3.260.0060.01016.22
7.3.250.0070.01016.16
7.3.240.0070.01316.38
7.3.230.0110.01116.39
7.3.210.0080.00716.14
7.3.200.0060.01019.39
7.3.190.0070.01016.26
7.3.180.0000.02016.16
7.3.170.0070.01016.27
7.3.160.0100.01016.30
7.3.120.0060.00914.98
7.2.330.0170.00716.52
7.2.320.0100.00716.71
7.2.310.0060.01016.37
7.2.300.0000.01616.47
7.2.290.0080.00816.40
7.2.60.0190.00816.48
7.1.200.0060.00615.80
7.1.100.0030.01018.18
7.1.70.0030.00617.25
7.1.60.0070.00719.29
7.1.50.0130.00317.06
7.1.00.0030.03722.38
7.0.200.0160.00615.09
7.0.140.0130.06322.10
7.0.60.0100.05320.02
7.0.50.0030.04017.79
7.0.40.0070.04320.22
7.0.30.0370.05720.03
7.0.20.0270.07020.07
7.0.10.0270.07720.13
7.0.00.0100.07320.12
5.6.280.0030.05020.98
5.6.210.0030.04720.50
5.6.200.0070.07718.22
5.6.190.0030.08020.55
5.6.180.0330.04720.60
5.6.170.0300.08020.46
5.6.160.0030.04020.54
5.6.150.0030.08718.22
5.6.140.0130.07718.18
5.6.130.0000.09018.11
5.6.120.0170.03721.04
5.6.110.0100.05320.98
5.6.100.0000.05321.16
5.6.90.0030.07320.95
5.6.80.0100.05720.43
5.5.350.0130.07720.37
5.5.340.0100.08317.88
5.5.330.0100.08020.13
5.5.320.0300.06720.25
5.5.310.0230.06720.32
5.5.300.0100.06717.98
5.5.290.0070.04018.02
5.5.280.0030.09020.88
5.5.270.0100.08020.88
5.5.260.0070.08320.78
5.5.250.0130.07020.66
5.5.240.0030.03720.34
5.4.450.0770.07019.11
5.4.440.0670.06019.24
5.4.430.0630.05019.47
5.4.420.0430.05019.27
5.4.410.0170.06719.39
5.4.400.0400.05318.72
5.4.390.0400.05018.71
5.4.380.0300.04718.52
5.4.370.0200.05018.48
5.4.360.0200.05018.64
5.4.350.0070.04211.97
5.4.340.0110.03911.97
5.4.320.0090.03512.45
5.4.310.0040.04212.45
5.4.300.0050.04612.45
5.4.290.0090.03412.45
5.4.280.0070.03612.34
5.4.270.0070.03512.35
5.4.260.0050.04312.34
5.4.250.0130.05718.93
5.4.240.0170.05018.69
5.4.230.0200.04018.81
5.4.220.0170.04318.91
5.4.210.0070.05318.93
5.4.200.0130.04718.82
5.4.190.0130.04719.02
5.4.180.0200.04719.01
5.4.170.0130.05318.81
5.4.160.0070.06318.63
5.4.150.0030.06318.82
5.4.140.0100.05016.30
5.4.130.0030.05716.25
5.4.120.0100.07016.28
5.4.110.0130.06716.16
5.4.100.0100.06316.35
5.4.90.0170.04316.48
5.4.80.0030.05016.39
5.4.70.0070.05016.18
5.4.60.0000.05716.17
5.4.50.0170.04316.38
5.4.40.0130.04316.38
5.4.30.0100.04716.45
5.4.20.0070.05016.45
5.4.10.0170.04316.25
5.4.00.0070.05315.71
5.3.290.0060.03912.80
5.3.280.0030.05314.45
5.3.270.0100.06314.58
5.3.260.0130.05014.60
5.3.250.0100.05014.71
5.3.240.0070.05014.62
5.3.230.0130.04714.64
5.3.220.0130.06714.58
5.3.210.0070.05714.66
5.3.200.0170.05014.54
5.3.190.0130.06314.58
5.3.180.0100.05014.58
5.3.170.0170.04314.56
5.3.160.0100.05014.45
5.3.150.0130.05714.40
5.3.140.0030.06014.40
5.3.130.0130.05014.46
5.3.120.0070.05314.40
5.3.110.0070.05014.70
5.3.100.0030.05314.18
5.3.90.0070.05713.87
5.3.80.0030.05313.86
5.3.70.0170.06313.91
5.3.60.0100.04714.01
5.3.50.0000.07013.84
5.3.40.0030.05313.82
5.3.30.0070.05314.00
5.3.20.0100.05013.70
5.3.10.0070.06713.52
5.3.00.0030.05713.52
5.2.170.0100.04011.24
5.2.160.0170.04011.04
5.2.150.0070.04311.15
5.2.140.0070.04711.14
5.2.130.0100.05311.21
5.2.120.0130.05010.94
5.2.110.0000.04711.11
5.2.100.0100.05310.99
5.2.90.0070.04710.98
5.2.80.0000.06710.94
5.2.70.0030.04311.00
5.2.60.0070.04011.21
5.2.50.0100.04010.78
5.2.40.0170.03311.01
5.2.30.0030.04311.09
5.2.20.0030.04010.98
5.2.10.0000.04310.94
5.2.00.0070.04010.80
5.1.60.0000.03710.23
5.1.50.0070.03310.04
5.1.40.0000.0379.93
5.1.30.0070.03310.29
5.1.20.0000.04010.17
5.1.10.0100.0439.98
5.1.00.0130.03710.15
5.0.50.0000.0308.73
5.0.40.0070.0238.64
5.0.30.0070.0378.26
5.0.20.0030.0278.43
5.0.10.0070.0238.12
5.0.00.0030.0408.24
4.4.90.0030.0237.46
4.4.80.0030.0207.46
4.4.70.0030.0207.46
4.4.60.0070.0177.46
4.4.50.0100.0177.46
4.4.40.0000.0377.46
4.4.30.0030.0207.46
4.4.20.0030.0277.46
4.4.10.0000.0237.46
4.4.00.0030.0307.46
4.3.110.0030.0207.46
4.3.100.0030.0237.46
4.3.90.0000.0237.46
4.3.80.0100.0337.46
4.3.70.0070.0177.46
4.3.60.0030.0277.46
4.3.50.0030.0207.46
4.3.40.0100.0337.46
4.3.30.0030.0207.46
4.3.20.0070.0177.46
4.3.10.0000.0237.46
4.3.00.0200.0206.73

preferences:
36.62 ms | 401 KiB | 5 Q