3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'convert my text'; print_r(preg_replace('@(^.)@', '\U$1', $string));

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)
8.4.120.0130.00820.40
8.4.110.0100.01318.77
8.4.100.0140.00717.81
8.4.90.0110.01017.85
8.4.80.0050.00319.69
8.4.70.0110.00820.68
8.4.60.0140.00819.02
8.4.50.0120.00722.45
8.4.40.0030.00619.49
8.4.30.0130.00718.54
8.4.20.0070.00720.60
8.4.10.0180.00417.62
8.3.250.0100.00720.42
8.3.240.0040.00416.75
8.3.230.0120.00616.87
8.3.220.0090.00916.59
8.3.210.0120.00718.38
8.3.200.0050.00516.82
8.3.190.0080.01117.22
8.3.180.0100.00618.59
8.3.170.0070.01117.18
8.3.160.0090.00920.19
8.3.150.0090.00917.07
8.3.140.0120.00316.91
8.3.130.0060.00318.34
8.3.120.0110.00418.34
8.3.110.0050.00516.63
8.3.100.0000.00816.75
8.3.90.0040.00416.79
8.3.80.0060.00318.31
8.3.70.0090.00616.88
8.3.60.0120.00618.55
8.3.50.0100.00817.44
8.3.40.0140.00718.69
8.3.30.0120.00918.67
8.3.20.0040.00421.91
8.3.10.0110.00322.04
8.3.00.0030.00522.52
8.2.290.0100.00918.96
8.2.280.0110.00818.63
8.2.270.0070.01117.27
8.2.260.0130.00616.92
8.2.250.0080.00016.68
8.2.240.0030.00618.84
8.2.230.0060.00320.94
8.2.220.0060.00324.06
8.2.210.0130.00726.77
8.2.200.0130.00018.42
8.2.190.0120.00616.58
8.2.180.0140.00718.29
8.2.170.0140.00719.08
8.2.160.0100.00722.96
8.2.150.0040.00724.18
8.2.140.0030.01224.66
8.2.130.0040.00426.16
8.2.120.0000.00826.16
8.2.110.0060.00322.39
8.2.100.0080.00417.78
8.2.90.0050.00317.84
8.2.80.0050.00318.03
8.2.70.0030.00617.75
8.2.60.0040.00417.63
8.2.50.0030.00718.10
8.2.40.0030.00519.22
8.2.30.0080.00019.14
8.2.20.0050.00218.01
8.2.10.0080.00019.14
8.2.00.0040.00419.10
8.1.330.0120.00816.30
8.1.320.0100.00916.20
8.1.310.0070.01118.13
8.1.300.0120.00319.84
8.1.290.0090.00018.88
8.1.280.0110.00725.92
8.1.270.0120.00320.62
8.1.260.0070.00026.35
8.1.250.0140.00428.09
8.1.240.0050.00523.70
8.1.230.0120.00022.70
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0090.00017.48
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0030.00518.78
8.1.160.0030.00318.93
8.1.150.0040.00418.87
8.1.140.0000.00820.84
8.1.130.0000.00720.18
8.1.120.0000.00717.55
8.1.110.0040.00417.42
8.1.100.0040.00417.45
8.1.90.0040.00417.62
8.1.80.0040.00417.37
8.1.70.0030.00517.59
8.1.60.0040.00417.55
8.1.50.0060.00317.55
8.1.40.0000.00817.60
8.1.30.0040.00417.60
8.1.20.0030.01117.70
8.1.10.0070.00017.66
8.1.00.0000.00717.40
8.0.300.0000.00719.89
8.0.290.0040.00416.75
8.0.280.0030.00518.39
8.0.270.0050.00216.89
8.0.260.0000.00620.19
8.0.250.0000.00716.95
8.0.240.0030.00316.93
8.0.230.0050.00316.93
8.0.220.0040.00416.85
8.0.210.0030.00316.83
8.0.200.0000.00717.04
8.0.190.0000.00717.01
8.0.180.0050.00316.94
8.0.170.0040.00416.84
8.0.160.0000.00817.00
8.0.150.0030.00316.97
8.0.140.0000.00716.90
8.0.130.0000.00613.35
8.0.120.0050.00316.90
8.0.110.0070.00016.99
8.0.100.0040.00416.79
8.0.90.0000.00717.05
8.0.80.0040.01517.03
8.0.70.0000.00816.82
8.0.60.0040.00416.96
8.0.50.0000.00816.74
8.0.30.0100.00917.19
8.0.20.0110.00817.17
8.0.10.0040.00417.13
8.0.00.0060.01216.84
7.4.330.0000.00516.78
7.4.320.0030.00316.64
7.4.300.0030.00316.69
7.4.290.0000.01116.74
7.4.280.0070.00016.76
7.4.270.0080.00016.66
7.4.260.0000.00613.45
7.4.250.0040.00416.70
7.4.240.0030.00516.68
7.4.230.0040.00416.63
7.4.220.0050.00216.72
7.4.210.0090.00616.68
7.4.200.0080.00016.48
7.4.140.0000.01817.86
7.4.130.0110.01116.45
7.4.120.0120.00616.56
7.4.110.0110.00716.47
7.4.100.0120.00416.64
7.4.90.0040.01416.54
7.4.80.0130.00319.39
7.4.70.0030.01316.54
7.4.60.0120.00616.68
7.4.50.0070.00716.34
7.4.40.0070.01416.43
7.4.00.0070.00715.21
7.3.330.0000.00716.21
7.3.320.0000.00613.12
7.3.310.0060.00016.38
7.3.300.0030.00316.29
7.3.290.0030.00316.15
7.3.280.0030.01116.21
7.3.260.0080.01016.59
7.3.240.0130.00516.46
7.3.230.0100.00716.63
7.3.210.0100.00816.72
7.3.200.0100.00716.63
7.3.190.0090.00816.42
7.3.180.0080.00816.42
7.3.170.0090.00916.24
7.3.160.0070.01116.33
7.3.80.0100.00715.18
7.3.70.0080.00814.95
7.3.60.0030.01414.77
7.3.50.0040.01414.75
7.3.40.0040.01514.50
7.3.30.0060.00914.93
7.3.20.0220.00614.62
7.3.10.0150.00914.98
7.3.00.0130.00714.68
7.2.330.0070.01016.52
7.2.320.0080.00816.62
7.2.310.0030.01416.57
7.2.300.0030.01316.68
7.2.290.0080.01216.61
7.2.210.0130.00614.89
7.2.200.0000.01615.02
7.2.190.0100.01014.92
7.2.180.0140.00714.93
7.2.170.0100.01014.85
7.2.160.0110.01114.84
7.2.150.1300.01315.03
7.2.140.0080.01615.14
7.2.130.0170.01015.03
7.2.120.0170.01015.09
7.2.110.0160.00315.12
7.2.100.0110.01315.01
7.2.90.0100.01315.09
7.2.80.0170.00714.92
7.2.70.0100.01414.67
7.2.60.0250.00415.09
7.2.50.0260.01114.94
7.2.40.0140.01814.82
7.2.30.0190.01114.70
7.2.20.0170.00715.06
7.2.10.0150.01115.07
7.2.00.0130.01314.98
7.1.310.0070.01014.27
7.1.300.0150.00914.05
7.1.290.0230.00313.89
7.1.280.0070.01713.71
7.1.270.0160.01313.86
7.1.260.0140.00914.01
7.1.250.0210.00613.93

preferences:
28.19 ms | 403 KiB | 5 Q