3v4l.org

run code in 300+ PHP versions simultaneously
<?php class štring { static function kek($str): Generator { for ($i = 0, $len = mb_strlen($str); $i < $len; ++$i) { yield mb_substr($str, $i, 1); } } } foreach (štring::kek("meh") as $char) { var_dump($char); } var_dump(štring::kek("meh"));

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)
8.3.40.0100.01018.70
8.3.30.0070.00718.71
8.3.20.0080.00018.98
8.3.10.0080.00023.65
8.3.00.0040.00423.48
8.2.170.0070.00722.96
8.2.160.0070.00718.89
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00420.41
8.2.120.0040.00426.35
8.2.110.0030.00820.41
8.2.100.0090.00317.86
8.2.90.0000.00917.63
8.2.80.0080.00017.97
8.2.70.0050.00317.91
8.2.60.0080.00017.93
8.2.50.0090.00018.10
8.2.40.0070.00019.30
8.2.30.0060.00319.16
8.2.20.0070.00017.91
8.2.10.0050.00319.36
8.2.00.0040.00419.40
8.1.270.0080.00023.99
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0060.00322.65
8.1.230.0040.00720.81
8.1.220.0000.00818.77
8.1.210.0040.00418.89
8.1.200.0030.00617.35
8.1.190.0040.00417.34
8.1.180.0040.00418.10
8.1.170.0000.00918.68
8.1.160.0040.00418.94
8.1.150.0070.00018.90
8.1.140.0000.00719.62
8.1.130.0000.00719.04
8.1.120.0070.00017.50
8.1.110.0030.00617.48
8.1.100.0030.00417.48
8.1.90.0030.00517.38
8.1.80.0030.00717.45
8.1.70.0000.00717.44
8.1.60.0030.00617.57
8.1.50.0090.00017.48
8.1.40.0080.00017.55
8.1.30.0060.00617.74
8.1.20.0040.00417.60
8.1.10.0030.00517.51
8.1.00.0060.00317.53
8.0.300.0030.00320.10
8.0.290.0000.00816.75
8.0.280.0030.00318.42
8.0.270.0000.00717.33
8.0.260.0000.00617.24
8.0.250.0000.00716.95
8.0.240.0000.00717.05
8.0.230.0100.00016.89
8.0.220.0000.00716.91
8.0.210.0040.00416.99
8.0.200.0070.00017.05
8.0.190.0030.00516.90
8.0.180.0070.00016.84
8.0.170.0030.00616.92
8.0.160.0080.00016.86
8.0.150.0040.00416.96
8.0.140.0040.00416.91
8.0.130.0050.00013.36
8.0.120.0080.00016.91
8.0.110.0040.00416.97
8.0.100.0040.00416.91
8.0.90.0040.00416.96
8.0.80.0100.00716.89
8.0.70.0040.00416.80
8.0.60.0000.00816.79
8.0.50.0040.00416.82
8.0.30.0120.00717.13
8.0.20.0100.01317.40
8.0.10.0040.00416.98
8.0.00.0090.00916.83
7.4.330.0000.00515.55
7.4.320.0060.00316.63
7.4.300.0030.00316.59
7.4.290.0030.00716.59
7.4.280.0040.00416.50
7.4.270.0000.00716.63
7.4.260.0000.00816.38
7.4.250.0000.00716.53
7.4.240.0050.00316.43
7.4.230.0030.00316.70
7.4.220.0000.00916.62
7.4.210.0090.00916.48
7.4.200.0000.00716.50
7.4.160.0060.01016.42
7.4.140.0100.01117.86
7.4.130.0060.01216.41
7.4.120.0090.01116.59
7.4.110.0030.01316.33
7.4.100.0100.01316.60
7.4.90.0000.02016.55
7.4.80.0100.00719.39
7.4.70.0070.01016.44
7.4.60.0050.01016.39
7.4.50.0060.00616.26
7.4.40.0080.00916.52
7.4.00.0060.00915.20
7.3.330.0000.00513.34
7.3.320.0060.00013.14
7.3.310.0050.00216.37
7.3.300.0040.00416.19
7.3.290.0000.00616.29
7.3.280.0080.00816.28
7.3.260.0090.00916.51
7.3.240.0100.00916.46
7.3.230.0080.00916.46
7.3.210.0040.01216.62
7.3.200.0030.01316.59
7.3.190.0120.00616.53
7.3.180.0060.00916.51
7.3.170.0130.00316.39
7.3.160.0110.01216.57
7.3.10.0000.01116.82
7.3.00.0060.00816.59
7.2.330.0110.00716.74
7.2.320.0200.00616.74
7.2.310.0090.00816.60
7.2.300.0070.01016.43
7.2.290.0140.00916.76
7.2.130.0030.01016.95
7.2.120.0040.01116.67
7.2.110.0030.01316.88
7.2.100.0120.00316.97
7.2.90.0070.00716.97
7.2.80.0120.00715.77
7.2.70.0100.01015.92
7.2.60.0140.00516.13
7.2.50.0160.00715.96
7.2.40.0130.00715.93
7.2.30.0160.00615.88
7.2.20.0160.00915.88
7.2.10.0150.00316.10
7.2.00.0090.01016.02
7.1.250.0060.00615.82
7.1.200.0070.00715.55
7.1.190.0300.00614.04
7.1.180.0160.00713.79
7.1.170.0290.00713.73
7.1.160.0280.00614.02
7.1.150.0220.01614.06
7.1.140.0230.01014.04
7.1.130.0160.00713.76
7.1.120.0150.00813.79
7.1.110.0200.00413.88
7.1.100.0240.00613.98
7.1.90.0100.01413.76
7.1.80.0190.00513.57
7.1.70.0230.00313.53
7.1.60.0370.00731.54
7.1.50.0370.00731.64
7.1.40.0340.01031.81
7.1.30.0270.01431.91
7.1.20.0290.01331.55
7.1.10.1350.00713.86
7.1.00.0200.01313.65

preferences:
50.38 ms | 400 KiB | 5 Q