3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = 'été'; $n = mb_strlen($s, 'UTF-8'); echo $n;

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)
8.3.60.0140.00718.43
8.3.50.0040.01416.50
8.3.40.0070.01318.57
8.3.30.0090.00618.53
8.3.20.0080.00019.07
8.3.10.0050.00323.61
8.3.00.0080.00022.32
8.2.180.0040.01818.16
8.2.170.0000.01418.96
8.2.160.0090.00620.99
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00721.13
8.2.110.0070.00319.17
8.2.100.0060.00617.78
8.2.90.0030.00619.63
8.2.80.0030.00519.12
8.2.70.0030.00617.63
8.2.60.0050.00317.80
8.2.50.0060.00318.07
8.2.40.0000.00818.22
8.2.30.0040.00418.13
8.2.20.0030.00517.98
8.2.10.0030.00318.11
8.2.00.0040.00419.39
8.1.280.0090.00625.92
8.1.270.0100.01023.91
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0140.00719.40
8.1.230.0070.00322.81
8.1.220.0080.00017.77
8.1.210.0000.00819.04
8.1.200.0030.00617.13
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0000.00818.77
8.1.160.0000.00718.86
8.1.150.0050.00318.87
8.1.140.0030.00618.99
8.1.130.0080.00318.92
8.1.120.0000.00817.45
8.1.110.0030.00517.41
8.1.100.0070.00017.27
8.1.90.0040.00417.39
8.1.80.0060.00317.36
8.1.70.0030.00317.39
8.1.60.0030.00617.61
8.1.50.0020.00517.47
8.1.40.0040.00417.48
8.1.30.0000.00717.53
8.1.20.0070.00017.46
8.1.10.0000.00817.45
8.1.00.0000.00817.47
8.0.300.0040.00420.02
8.0.290.0030.00616.63
8.0.280.0070.00018.45
8.0.270.0000.00816.93
8.0.260.0040.00718.55
8.0.250.0050.00316.92
8.0.240.0030.00316.92
8.0.230.0030.00316.85
8.0.220.0030.00316.79
8.0.210.0000.00616.89
8.0.200.0000.00616.99
8.0.190.0080.00016.85
8.0.180.0080.00016.82
8.0.170.0000.00916.95
8.0.160.0000.00716.90
8.0.150.0030.00916.80
8.0.140.0050.00316.84
8.0.130.0030.00313.23
8.0.120.0040.00416.90
8.0.110.0000.00716.90
8.0.100.0070.00016.87
8.0.90.0000.00716.75
8.0.80.0110.00816.83
8.0.70.0030.00516.99
8.0.60.0040.00316.91
8.0.50.0000.00816.73
8.0.30.0140.00417.05
8.0.20.0110.00817.40
8.0.10.0030.00616.81
8.0.00.0030.01516.63
7.4.330.0050.00015.55
7.4.320.0000.00616.50
7.4.300.0000.00616.28
7.4.290.0000.00716.53
7.4.280.0050.00316.32
7.4.270.0050.00216.52
7.4.260.0040.00416.43
7.4.250.0050.00316.48
7.4.240.0000.00716.52
7.4.230.0020.00516.57
7.4.220.0030.00616.41
7.4.210.0040.01116.52
7.4.200.0030.00316.64
7.4.160.0070.00916.37
7.4.140.0120.00617.86
7.4.130.0110.00716.51
7.4.120.0070.01016.38
7.4.110.0070.01116.27
7.4.100.0070.01016.34
7.4.90.0080.01116.45
7.4.80.0070.01019.39
7.4.70.0140.00516.42
7.4.60.0130.00316.43
7.4.50.0050.00716.20
7.4.40.0070.01416.40
7.4.00.0000.01514.90
7.3.330.0020.00213.10
7.3.320.0030.00313.02
7.3.310.0030.00316.15
7.3.300.0040.00416.21
7.3.290.0030.00316.16
7.3.280.0080.00816.22
7.3.260.0090.00916.31
7.3.240.0070.01116.21
7.3.230.0140.01016.29
7.3.210.0200.00316.16
7.3.200.0110.00516.08
7.3.190.0180.00016.41
7.3.180.0140.00416.34
7.3.170.0090.01616.16
7.3.160.0060.00916.37
7.3.10.0000.01116.61
7.3.00.0030.01016.31
7.2.330.0120.00616.43
7.2.320.0130.00316.64
7.2.310.0050.01316.57
7.2.300.0120.01216.55
7.2.290.0160.00716.64
7.2.130.0030.00616.82
7.2.120.0070.01016.67
7.2.110.0030.01016.76
7.2.100.0060.00616.82
7.2.90.0630.00615.77
7.2.80.0900.00315.71
7.2.70.0690.00316.02
7.2.60.0750.00515.84
7.2.50.0640.00515.83
7.2.40.0620.01215.58
7.2.30.0810.01115.63
7.2.20.0740.00915.87
7.2.10.1230.00515.85
7.2.00.0920.01016.00
7.1.250.0070.00615.55
7.1.210.1430.01013.55
7.1.200.1360.01013.40
7.1.190.1720.00313.97
7.1.180.1710.00314.02
7.1.170.1280.00713.93
7.1.160.1600.00313.62
7.1.150.1670.01313.58
7.1.140.1350.00013.63
7.1.130.2210.01013.81
7.1.120.1320.00613.86
7.1.110.1530.00613.70
7.1.100.1440.00713.73
7.1.90.2770.00713.35
7.1.80.2600.00313.66
7.1.70.2430.01013.51
7.1.60.2680.00731.63
7.1.50.3950.00731.52
7.1.40.4810.00731.73
7.1.30.3040.00331.38
7.1.20.2900.02331.44
7.1.10.3820.00613.40
7.1.00.2080.01313.88

preferences:
47.92 ms | 400 KiB | 5 Q