3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $x = 63; print_r(str_split($x)); die(); for ($x = 0; $x < 10000; $x++) { // $a[] = substr($x, 0, 1); // $a[] = substr($x, 1, 1); $x_arr = str_split($x); $a[] = $x_arr[0]; $a[] = $x_arr[1]; } echo count($a);

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)
8.3.70.0000.01516.50
8.3.60.0150.00018.25
8.3.50.0080.00518.29
8.3.40.0110.00818.73
8.3.30.0110.00418.69
8.3.20.0040.00421.77
8.3.10.0050.00223.52
8.3.00.0020.00523.55
8.2.190.0030.01420.57
8.2.180.0170.00316.50
8.2.170.0030.01422.96
8.2.160.0070.00720.47
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00017.91
8.2.120.0070.00026.35
8.2.110.0080.00321.91
8.2.100.0070.00417.91
8.2.90.0050.00317.75
8.2.80.0090.00017.97
8.2.70.0040.00417.75
8.2.60.0040.00418.09
8.2.50.0000.00818.10
8.2.40.0040.00419.43
8.2.30.0000.00719.15
8.2.20.0070.00019.84
8.2.10.0040.00419.25
8.2.00.0080.00019.46
8.1.280.0090.00925.92
8.1.270.0080.00018.74
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.42
8.1.230.0040.00817.64
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0060.00317.25
8.1.190.0070.00317.55
8.1.180.0040.00418.10
8.1.170.0040.00418.55
8.1.160.0050.00218.84
8.1.150.0040.00418.79
8.1.140.0040.00423.84
8.1.130.0030.00520.11
8.1.120.0040.00417.36
8.1.110.0000.00717.41
8.1.100.0080.00017.38
8.1.90.0080.00017.27
8.1.80.0050.00217.37
8.1.70.0050.00317.39
8.1.60.0080.00017.53
8.1.50.0110.00017.40
8.1.40.0000.00717.55
8.1.30.0030.00617.63
8.1.20.0000.00817.65
8.1.10.0040.00417.50
8.1.00.0060.00317.49
8.0.300.0000.00821.54
8.0.290.0050.00316.75
8.0.280.0030.00318.38
8.0.270.0000.00717.18
8.0.260.0070.00018.38
8.0.250.0030.00616.94
8.0.240.0030.00316.85
8.0.230.0040.00416.94
8.0.220.0000.00816.78
8.0.210.0000.00816.91
8.0.200.0060.00016.99
8.0.190.0000.00716.97
8.0.180.0030.00516.89
8.0.170.0090.00016.88
8.0.160.0000.00816.93
8.0.150.0050.00316.77
8.0.140.0020.00516.83
8.0.130.0000.00613.30
8.0.120.0060.00316.88
8.0.110.0000.00816.83
8.0.100.0040.00416.79
8.0.90.0030.00316.74
8.0.80.0120.00416.79
8.0.70.0040.00416.88
8.0.60.0050.00316.79
8.0.50.0000.00716.79
8.0.30.0090.00917.06
8.0.20.0110.01417.04
8.0.10.0040.00417.08
8.0.00.0120.00616.58
7.4.330.0030.00315.55
7.4.320.0060.00016.52
7.4.300.0070.00016.51
7.4.290.0030.00316.53
7.4.280.0040.00416.41
7.4.270.0000.00716.33
7.4.260.0030.00316.55
7.4.250.0000.00716.50
7.4.240.0030.00516.46
7.4.230.0000.00716.50
7.4.220.0000.00816.22
7.4.210.0040.01216.49
7.4.200.0070.00016.33
7.4.160.0070.01316.41
7.4.140.0100.00717.86
7.4.130.0150.00316.58
7.4.120.0100.01016.49
7.4.110.0000.01716.44
7.4.100.0100.01016.56
7.4.90.0100.00716.30
7.4.80.0110.01119.39
7.4.70.0170.00616.54
7.4.60.0150.00316.40
7.4.50.0070.01016.20
7.4.40.0100.01016.61
7.4.00.0140.00014.85
7.3.330.0050.00013.10
7.3.320.0000.00512.92
7.3.310.0050.00216.29
7.3.300.0030.00316.18
7.3.290.0030.00316.24
7.3.280.0050.01316.13
7.3.260.0100.00616.30
7.3.240.0100.00916.23
7.3.230.0120.00616.33
7.3.210.0090.00616.51
7.3.200.0030.01416.40
7.3.190.0100.00716.43
7.3.180.0130.00316.36
7.3.170.0120.00616.50
7.3.160.0070.01016.52
7.3.00.1130.00014.36
7.2.330.0000.01716.74
7.2.320.0160.00516.33
7.2.310.0040.01316.65
7.2.300.0080.00816.16
7.2.290.0080.01016.61
7.2.130.1090.00614.31
7.2.120.0980.01014.65
7.2.110.0870.00714.26
7.2.100.0890.01414.57
7.2.90.0880.00314.61
7.2.80.0900.00714.36
7.2.70.0940.00714.90
7.2.60.0950.00714.82
7.2.50.0960.01315.01
7.2.40.0910.00314.87
7.2.30.0880.00714.92
7.2.20.1040.01014.90
7.2.10.1040.00914.90
7.2.00.1140.00714.63
7.1.250.0250.00813.86
7.0.330.0140.00413.52
5.6.380.0110.00614.31

preferences:
22.99 ms | 401 KiB | 5 Q