3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "lá"; echo $string[0] , "\n" , $string[1] , "\n" , $string[2]; echo "\n\n"; $string[1] = "B"; echo $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)
8.3.60.0160.00318.30
8.3.50.0070.00718.35
8.3.40.0040.01118.54
8.3.30.0140.00318.63
8.3.20.0040.00421.63
8.3.10.0080.00021.68
8.3.00.0040.00419.69
8.2.180.0180.00318.54
8.2.170.0150.00022.96
8.2.160.0040.01120.85
8.2.150.0030.00625.66
8.2.140.0040.00424.66
8.2.130.0000.00819.04
8.2.120.0050.00326.35
8.2.110.0070.00321.18
8.2.100.0080.00417.57
8.2.90.0080.00017.84
8.2.80.0040.00418.27
8.2.70.0040.00417.50
8.2.60.0000.00817.75
8.2.50.0000.00817.63
8.2.40.0040.00420.59
8.2.30.0050.00219.11
8.2.20.0000.00818.15
8.2.10.0080.00018.07
8.2.00.0050.00218.17
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.60
8.1.230.0080.00420.91
8.1.220.0000.00817.74
8.1.210.0030.00620.48
8.1.200.0030.00617.35
8.1.190.0000.00817.36
8.1.180.0040.00418.10
8.1.170.0090.00018.65
8.1.160.0040.00418.89
8.1.150.0040.00419.00
8.1.140.0080.00017.61
8.1.130.0000.00719.00
8.1.120.0030.00317.46
8.1.110.0070.00017.41
8.1.100.0000.00717.37
8.1.90.0040.00417.43
8.1.80.0000.00917.33
8.1.70.0030.00617.49
8.1.60.0030.00517.63
8.1.50.0030.00517.52
8.1.40.0000.00917.53
8.1.30.0000.00917.68
8.1.20.0000.00717.51
8.1.10.0050.00317.61
8.1.00.0030.00617.51
8.0.300.0000.00719.89
8.0.290.0040.00416.63
8.0.280.0060.00318.34
8.0.270.0030.00316.73
8.0.260.0000.00617.16
8.0.250.0070.00016.96
8.0.240.0080.00016.92
8.0.230.0030.00516.91
8.0.220.0000.00916.85
8.0.210.0000.00716.89
8.0.200.0080.00016.89
8.0.190.0030.00316.93
8.0.180.0000.00816.94
8.0.170.0040.00416.91
8.0.160.0030.00316.95
8.0.150.0040.00416.81
8.0.140.0000.00816.86
8.0.130.0030.00313.35
8.0.120.0030.00516.90
8.0.110.0000.00716.73
8.0.100.0030.00316.73
8.0.90.0040.00416.90
8.0.80.0000.01516.87
8.0.70.0030.00316.84
8.0.60.0040.00416.79
8.0.50.0040.00416.68
8.0.30.0160.00516.99
8.0.20.0100.01217.40
8.0.10.0040.00416.88
8.0.00.0060.01116.79
7.4.330.0050.00016.70
7.4.320.0060.00016.58
7.4.300.0030.00316.50
7.4.290.0070.00016.57
7.4.280.0050.00316.43
7.4.270.0030.00516.40
7.4.260.0070.00016.57
7.4.250.0040.00416.58
7.4.240.0000.00716.51
7.4.230.0030.00316.40
7.4.220.0080.00016.49
7.4.210.0020.01316.56
7.4.200.0030.00316.57
7.4.160.0080.00716.39
7.4.140.0070.01217.86
7.4.130.0070.01116.59
7.4.120.0070.01116.52
7.4.110.0060.01016.61
7.4.100.0030.01616.40
7.4.90.0030.01516.54
7.4.80.0110.01219.39
7.4.70.0130.00216.45
7.4.60.0030.01316.54
7.4.50.0070.00716.40
7.4.40.0130.00316.28
7.4.00.0040.01215.05
7.3.330.0050.00013.30
7.3.320.0000.00513.07
7.3.310.0000.00816.38
7.3.300.0030.00316.21
7.3.290.0030.00316.31
7.3.280.0060.01116.33
7.3.260.0080.01016.41
7.3.240.0130.00616.45
7.3.230.0130.00316.35
7.3.210.0130.00516.42
7.3.200.0120.00616.61
7.3.190.0100.00716.30
7.3.180.0090.01216.35
7.3.170.0090.00616.52
7.3.160.0080.01216.33
7.2.330.0080.00816.80
7.2.320.0120.00616.77
7.2.310.0120.00616.64
7.2.300.0090.01416.34
7.2.290.0190.00416.71
7.2.60.0060.00616.95
7.2.50.0080.00416.99
7.2.40.0690.01218.18
7.2.30.1010.01617.96
7.2.20.0760.01317.91
7.2.10.0790.01017.88
7.2.00.0970.01518.06
7.1.200.0000.01515.65
7.1.160.0980.01416.75
7.1.150.1150.01316.49
7.1.140.0530.00816.50
7.1.130.0760.01316.52
7.1.120.0770.01016.62
7.1.110.0760.00916.20
7.1.100.1030.01416.23
7.1.90.0700.00815.88
7.1.80.0790.01115.88
7.1.70.0650.01014.95
7.1.60.1360.01733.26
7.1.50.1430.01532.81
7.1.40.1870.01432.52
7.1.30.0940.01532.27
7.1.20.1180.01532.52
7.1.10.0900.01014.57
7.1.00.1030.01214.84

preferences:
55.79 ms | 400 KiB | 5 Q