3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = 'В 14.00 возле горсовета собрались сотни людей, которые выступают за единую Украину и против ввода российских вой...'; var_dump( array(mb_substr($t, 0,1,'UTF-8'),iconv_strlen($t,'UTF-8'),strlen($t)) );

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)
8.3.60.0140.00718.33
8.3.50.0080.01121.20
8.3.40.0110.00318.70
8.3.30.0160.00319.09
8.3.20.0000.00720.34
8.3.10.0050.00322.04
8.3.00.0050.00322.58
8.2.180.0070.01116.34
8.2.170.0070.00722.96
8.2.160.0070.00719.25
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00726.16
8.2.120.0000.00819.64
8.2.110.0090.00022.43
8.2.100.0080.00419.21
8.2.90.0080.00019.05
8.2.80.0000.00819.38
8.2.70.0100.00017.25
8.2.60.0040.00417.79
8.2.50.0000.00918.07
8.2.40.0050.00518.16
8.2.30.0070.00017.95
8.2.20.0040.00417.66
8.2.10.0040.00417.63
8.2.00.0060.00317.57
8.1.280.0140.00725.92
8.1.270.0070.00718.46
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0060.00323.88
8.1.230.0100.00019.08
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.36
8.1.190.0040.00417.39
8.1.180.0080.00018.80
8.1.170.0080.00018.46
8.1.160.0040.00422.16
8.1.150.0000.00718.56
8.1.140.0000.00717.46
8.1.130.0000.00917.76
8.1.120.0040.00417.52
8.1.110.0000.00717.48
8.1.100.0000.00717.49
8.1.90.0040.00417.44
8.1.80.0030.00317.50
8.1.70.0000.00717.34
8.1.60.0040.00817.50
8.1.50.0040.00417.45
8.1.40.0040.00417.62
8.1.30.0040.00417.72
8.1.20.0030.00617.71
8.1.10.0020.00517.59
8.1.00.0040.00417.59
8.0.300.0000.00718.77
8.0.290.0040.00417.05
8.0.280.0000.00718.52
8.0.270.0000.00717.34
8.0.260.0070.00016.91
8.0.250.0000.00716.93
8.0.240.0040.00417.00
8.0.230.0040.00417.00
8.0.220.0000.00716.88
8.0.210.0030.00316.86
8.0.200.0000.00816.95
8.0.190.0000.00817.03
8.0.180.0030.00516.99
8.0.170.0030.00616.89
8.0.160.0030.00616.99
8.0.150.0070.00016.88
8.0.140.0040.00416.84
8.0.130.0050.00013.52
8.0.120.0040.00416.98
8.0.110.0060.00316.94
8.0.100.0000.00917.16
8.0.90.0060.00317.16
8.0.80.0160.00317.19
8.0.70.0090.00016.96
8.0.60.0000.00916.95
8.0.50.0040.00417.16
8.0.30.0080.01217.19
8.0.20.0150.01517.40
8.0.10.0000.00917.27
8.0.00.0080.01817.07
7.4.330.0000.00415.00
7.4.320.0060.00016.50
7.4.300.0050.00216.62
7.4.290.0110.00016.52
7.4.280.0030.00316.43
7.4.270.0070.00016.62
7.4.260.0000.00716.61
7.4.250.0030.00616.61
7.4.240.0030.00616.76
7.4.230.0040.00516.68
7.4.220.0060.01316.69
7.4.210.0080.01016.69
7.4.200.0030.00516.41
7.4.190.0030.00616.91
7.4.160.0070.01116.61
7.4.150.0100.01317.40
7.4.140.0090.01217.86
7.4.130.0090.01116.59
7.4.120.0140.00516.71
7.4.110.0070.01116.66
7.4.100.0140.01016.85
7.4.90.0100.01016.59
7.4.80.0030.01919.39
7.4.70.0060.01916.66
7.4.60.0060.01216.67
7.4.50.0030.00516.50
7.4.40.0000.01222.77
7.4.30.0130.01016.63
7.4.00.0090.00614.93
7.3.330.0030.00313.25
7.3.320.0000.00613.04
7.3.310.0030.00516.46
7.3.300.0000.00816.39
7.3.290.0060.01216.41
7.3.280.0100.01016.46
7.3.270.0040.01517.40
7.3.260.0100.01616.41
7.3.250.0110.00816.53
7.3.240.0060.01216.65
7.3.230.0130.00716.66
7.3.210.0090.01516.60
7.3.200.0090.01219.39
7.3.190.0240.00016.75
7.3.180.0040.01516.49
7.3.170.0150.00816.46
7.3.160.0060.01216.71
7.3.120.0090.00614.73
7.2.330.0090.01216.76
7.2.320.0130.01316.62
7.2.310.0160.01016.72
7.2.300.0060.01216.35
7.2.290.0130.01016.58
7.2.60.0060.00917.00
7.2.00.0030.00919.59
7.1.200.0100.00315.88
7.1.100.0060.00618.32
7.1.70.0090.00017.05
7.1.60.0100.01719.82
7.1.50.0040.02217.24
7.1.00.0030.06322.50
7.0.200.0030.00517.04
7.0.140.0030.07722.18
7.0.60.0170.07719.90
7.0.50.0030.05317.93
7.0.40.0200.08320.22
7.0.30.0300.07720.29
7.0.20.0230.03720.36
7.0.10.0270.05720.32
7.0.00.0100.08320.24
5.6.280.0070.07321.27
5.6.210.0130.08020.56
5.6.200.0130.07718.31
5.6.190.0030.06020.52
5.6.180.3470.04020.77
5.6.170.0330.07320.64
5.6.160.0000.04720.77
5.6.150.0070.08318.34
5.6.140.0100.04718.36
5.6.130.0030.04318.36
5.6.120.0100.08721.08
5.6.110.0130.07321.01
5.6.100.0070.06021.20
5.6.90.0130.06721.07
5.6.80.0130.04320.53
5.6.70.0230.06320.55
5.5.350.0230.04020.43
5.5.340.0070.07718.10
5.5.330.0030.04320.72
5.5.320.0130.04320.38
5.5.310.0330.07320.38
5.5.300.0030.04318.04
5.5.290.0070.06018.17
5.5.280.0070.04720.92
5.5.270.0100.07320.91
5.5.260.0000.06321.10
5.5.250.0070.08020.71
5.5.240.0130.07020.38
5.4.450.0630.06019.63
5.4.440.0700.05719.63
5.4.430.0700.05019.67
5.4.420.0630.08319.26
5.4.410.0930.04319.66
5.4.400.0300.05018.84
5.4.390.0430.04718.64
5.4.380.0370.05018.93
5.4.370.0130.05718.89
5.4.360.0170.05018.75
5.4.350.0100.06018.64
5.4.340.0200.05018.61
5.4.320.0050.03812.64
5.4.310.0080.03812.64
5.4.300.0050.03912.65
5.4.290.0060.04112.64
5.4.280.0060.03912.54
5.4.270.0050.03812.54
5.4.260.0090.04212.54
5.4.250.0030.05718.89
5.4.240.0130.06318.93
5.4.230.0170.04318.95
5.4.220.0070.05718.90
5.4.210.0130.04718.89
5.4.200.0170.07018.95
5.4.190.0170.07318.88
5.4.180.0030.06018.98
5.4.170.0070.05319.02
5.4.160.0070.05318.80
5.4.150.0030.06018.88
5.4.140.0100.05316.67
5.4.130.0100.06716.41
5.4.120.0130.05016.45
5.4.110.0030.05316.71
5.4.100.0130.04716.44
5.4.90.0070.05716.70
5.4.80.0100.04316.62
5.4.70.0100.05016.58
5.4.60.0100.06016.61
5.4.50.0170.04316.63
5.4.40.0000.06016.53
5.4.30.0100.04716.71
5.4.20.0170.04316.53
5.4.10.0200.06716.48
5.4.00.0130.04716.03
5.3.290.0040.04112.89
5.3.280.0100.05014.84
5.3.270.0070.05314.63
5.3.260.0070.06314.61
5.3.250.0030.05714.68
5.3.240.0130.07314.60
5.3.230.0130.04714.76
5.3.220.0070.05714.73
5.3.210.0000.06014.73
5.3.200.0100.05014.74
5.3.190.0070.05314.74
5.3.180.0030.05714.56
5.3.170.0130.04314.55
5.3.160.0000.06014.64
5.3.150.0070.05314.63
5.3.140.0030.05314.73
5.3.130.0100.05314.70
5.3.120.0130.06714.86
5.3.110.0130.04714.71
5.3.100.0030.06014.19
5.3.90.0070.05014.32
5.3.80.0030.05314.12
5.3.70.0070.07314.19
5.3.60.0070.06014.30
5.3.50.0070.05314.20
5.3.40.0100.06313.94
5.3.30.0130.04313.76
5.3.20.0070.04713.99
5.3.10.0030.05013.66
5.3.00.0100.04713.80
5.2.170.0000.06011.19
5.2.160.0100.05711.30
5.2.150.0070.04711.30
5.2.140.0070.04011.32
5.2.130.0070.04311.39
5.2.120.0130.03011.27
5.2.110.0100.03711.26
5.2.100.0000.04311.25
5.2.90.0030.04011.26
5.2.80.0070.04011.35
5.2.70.0070.04311.25
5.2.60.0070.04011.20
5.2.50.0070.06011.09
5.2.40.0000.04711.24
5.2.30.0100.03711.04
5.2.20.0100.03711.11
5.2.10.0030.04011.09
5.2.00.0030.04310.95
5.1.60.0100.03010.29
5.1.50.0070.03310.16
5.1.40.0070.03310.09
5.1.30.0130.04710.65
5.1.20.0000.04310.48
5.1.10.0100.03710.40
5.1.00.0030.03710.06
5.0.50.0030.0308.55
5.0.40.0100.0278.78
5.0.30.0030.0438.33
5.0.20.0070.0278.57
5.0.10.0070.0278.14
5.0.00.0000.0478.35
4.4.90.0100.0137.35
4.4.80.0030.0207.35
4.4.70.0000.0237.35
4.4.60.0070.0207.35
4.4.50.0030.0207.35
4.4.40.0070.0307.35
4.4.30.0030.0237.35
4.4.20.0030.0207.33
4.4.10.0000.0237.33
4.4.00.0030.0477.33
4.3.110.0000.0307.33
4.3.100.0030.0207.33
4.3.90.0030.0207.33
4.3.80.0030.0337.33
4.3.70.0000.0307.33
4.3.60.0000.0337.33
4.3.50.0030.0237.33
4.3.40.0100.0237.33
4.3.30.0000.0237.33
4.3.20.0070.0177.33
4.3.10.0030.0207.33
4.3.00.0100.0236.77

preferences:
55.63 ms | 401 KiB | 5 Q