3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'hello'; for ($i=0;$i<strlen($string);$i++){ echo $string[$i] . "/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)
8.3.60.0130.00716.63
8.3.50.0100.00717.92
8.3.40.0040.01218.79
8.3.30.0080.00618.79
8.3.20.0040.00418.65
8.3.10.0120.00621.93
8.3.00.0000.00721.87
8.2.180.0180.00416.38
8.2.170.0070.00722.96
8.2.160.0130.00722.16
8.2.150.0040.01124.18
8.2.140.0080.00024.66
8.2.130.0070.00022.16
8.2.120.0030.00526.35
8.2.110.0080.00020.46
8.2.100.0080.00818.03
8.2.90.0000.00817.75
8.2.80.0080.00017.97
8.2.70.0000.00818.04
8.2.60.0050.00319.18
8.2.50.0000.00918.10
8.2.40.0000.00720.43
8.2.30.0040.00419.23
8.2.20.0040.00418.16
8.2.10.0000.00717.88
8.2.00.0030.00617.61
8.1.280.0150.00625.92
8.1.270.0080.00023.96
8.1.260.0050.00328.09
8.1.250.0070.00028.09
8.1.240.0030.00619.57
8.1.230.0120.00017.77
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0040.00418.65
8.1.160.0000.00822.09
8.1.150.0070.00318.89
8.1.140.0040.00419.63
8.1.130.0030.00317.54
8.1.120.0030.00517.42
8.1.110.0040.00417.38
8.1.100.0000.01017.35
8.1.90.0040.00417.35
8.1.80.0080.00017.41
8.1.70.0000.00817.49
8.1.60.0050.00317.54
8.1.50.0030.00617.53
8.1.40.0030.00617.53
8.1.30.0050.00317.69
8.1.20.0050.00317.55
8.1.10.0000.00717.56
8.1.00.0070.00417.52
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0000.00817.10
8.0.260.0030.00317.30
8.0.250.0030.00316.82
8.0.240.0040.00416.84
8.0.230.0040.00416.96
8.0.220.0030.00516.90
8.0.210.0040.00416.85
8.0.200.0050.00316.94
8.0.190.0070.00317.01
8.0.180.0080.00016.90
8.0.170.0050.00316.82
8.0.160.0030.00316.97
8.0.150.0070.00016.83
8.0.140.0030.00316.82
8.0.130.0000.00513.24
8.0.120.0040.00416.89
8.0.110.0000.00816.85
8.0.100.0040.00416.84
8.0.90.0040.00416.73
8.0.80.0090.00616.82
8.0.70.0040.00416.77
8.0.60.0020.00516.87
8.0.50.0040.00416.88
8.0.30.0090.00916.99
8.0.20.0080.01117.40
8.0.10.0080.00016.75
8.0.00.0060.01016.75
7.4.330.0060.00015.55
7.4.320.0000.00616.52
7.4.300.0000.00616.43
7.4.290.0030.00316.38
7.4.280.0070.00016.59
7.4.270.0040.00416.43
7.4.260.0020.00516.43
7.4.250.0070.00016.47
7.4.240.0030.00316.37
7.4.230.0000.00816.43
7.4.220.0040.01516.48
7.4.210.0110.00316.63
7.4.200.0030.00316.33
7.4.160.0050.01116.50
7.4.150.0090.01617.40
7.4.140.0080.01117.86
7.4.130.0060.01116.40
7.4.120.0150.00716.43
7.4.110.0110.00616.38
7.4.100.0170.00016.44
7.4.90.0070.01016.37
7.4.80.0080.01219.39
7.4.70.0130.00316.41
7.4.60.0100.00716.42
7.4.50.0000.01116.38
7.4.40.0100.01416.70
7.4.30.0110.00416.70
7.4.00.0040.01414.86
7.3.330.0050.00013.08
7.3.320.0030.00313.21
7.3.310.0000.00716.31
7.3.300.0050.00216.17
7.3.290.0070.00816.32
7.3.280.0080.00916.30
7.3.270.0060.01217.40
7.3.260.0160.00616.44
7.3.250.0160.00516.33
7.3.240.0110.01016.48
7.3.230.0060.01216.39
7.3.210.0120.00916.36
7.3.200.0120.00916.32
7.3.190.0090.00916.46
7.3.180.0180.00316.57
7.3.170.0060.01216.64
7.3.160.0060.00916.51
7.3.10.0100.00316.19
7.3.00.0170.00015.93
7.2.330.0040.01516.70
7.2.320.0030.01416.60
7.2.310.0120.00616.70
7.2.300.0110.01316.64
7.2.290.0090.00916.81
7.2.130.0130.00916.45
7.2.120.0140.00716.24
7.2.110.0080.00816.62
7.2.100.0120.00516.55
7.2.90.0100.00716.82
7.2.80.0070.00716.79
7.2.70.0110.00516.82
7.2.60.0070.00816.67
7.2.50.0110.00616.87
7.2.40.0120.00516.74
7.2.30.0080.00716.63
7.2.20.0060.01016.51
7.2.10.0110.00316.43
7.2.00.0120.00517.70
7.1.250.0120.00815.21
7.1.230.0040.00815.83
7.1.220.0060.00815.77
7.1.210.0090.00615.84
7.1.200.0040.00815.84
7.1.190.0060.00615.86
7.1.180.0000.01415.73
7.1.170.0000.01315.92
7.1.160.0030.00615.70
7.1.150.0090.00615.46
7.1.140.0030.01015.93
7.1.130.0040.01215.57
7.1.120.0040.00715.97
7.1.110.0080.00315.80
7.1.100.0050.00516.97
7.1.90.0060.00615.95
7.1.80.0090.00615.70
7.1.70.0050.00716.42
7.1.60.0940.01015.62
7.1.50.0070.01016.06
7.1.40.0070.01115.86
7.1.30.0040.01115.96
7.1.20.0070.01015.85
7.1.10.0000.01115.44
7.1.00.0000.04319.03
7.0.310.0110.00015.42
7.0.300.0030.00915.42
7.0.290.0090.00315.36
7.0.280.0090.00315.23
7.0.270.0060.00615.08
7.0.260.0030.01015.56
7.0.250.0070.00715.36
7.0.240.0060.00615.30
7.0.230.0000.01315.53
7.0.220.0090.00315.50
7.0.210.0030.00915.46
7.0.200.0080.00715.17
7.0.190.0080.00415.55
7.0.180.0090.00315.46
7.0.170.0080.00815.52
7.0.160.0000.01115.36
7.0.150.0040.00815.55
7.0.140.0090.00615.57
7.0.130.0060.00815.32
7.0.120.0230.03417.92
7.0.110.0190.03417.91
7.0.100.0210.03117.76
7.0.90.0100.03617.75
7.0.80.0220.03417.83
7.0.70.0170.03117.86
7.0.60.0200.03218.00
7.0.50.0200.02917.86
7.0.40.0180.03616.76
7.0.30.0220.03216.79
7.0.20.0180.02816.77
7.0.10.0140.03116.96
7.0.00.0140.03216.82
5.6.380.0100.00314.19
5.6.370.0100.00013.89
5.6.360.0060.00314.34
5.6.350.0040.01114.32
5.6.340.0110.00314.32
5.6.330.0030.00714.46
5.6.320.0040.00814.54
5.6.310.0130.00014.29
5.6.300.0030.00514.66
5.6.290.0060.00614.52
5.6.280.0050.00214.75
5.6.270.0100.03317.51
5.6.260.0080.03217.64
5.6.250.0070.03417.89
5.6.240.0110.03117.73
5.6.230.0050.03717.65
5.6.220.0070.03617.54
5.6.210.0100.03017.68
5.6.200.0040.03917.78
5.6.190.0050.03617.64
5.6.180.0110.03017.46
5.6.170.0040.03517.59
5.6.160.0110.03117.90
5.6.150.0070.04017.61
5.6.140.0050.03417.53
5.6.130.0030.03317.58
5.6.120.0070.03717.57
5.6.110.0070.03217.81
5.6.100.0080.03117.70
5.6.90.0070.04217.61
5.6.80.0100.02517.44
5.6.70.0120.03317.26
5.6.60.0050.03317.29
5.6.50.0060.03417.26
5.6.40.0120.04317.31
5.6.30.0150.02817.34
5.6.20.0140.03917.32
5.6.10.0130.02817.24
5.6.00.0100.03017.26

preferences:
70.81 ms | 400 KiB | 5 Q