3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "Init:\n"; $start_t = microtime(true); $arr = []; for($i = 0; $i < 10000; $i++) { $arr[$i] = 'test'; } echo 'Simple array: '; var_dump(microtime(true) - $start_t); $start_t = microtime(true); $iarr = new ArrayIterator; for($i = 0; $i < 10000; $i++) { $iarr[$i] = 'test'; } echo 'ArrayIterator: '; var_dump(microtime(true) - $start_t); echo "Foreach:\n"; $start_t = microtime(true); foreach ($arr as $key => $value) { $arr[$key] = $value . 'bar'; } echo 'Simple array: '; var_dump(microtime(true) - $start_t); $start_t = microtime(true); $iarr = new ArrayIterator; foreach ($arr as $key => $value) { $iarr[$key] = $value . 'bar'; } echo 'ArrayIterator: '; var_dump(microtime(true) - $start_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)
7.3.10.0300.00318.05
7.3.00.0190.01818.46
7.2.130.0190.00918.47
7.2.120.0190.01918.90
7.2.110.0150.00818.33
7.2.100.0180.01418.84
7.2.90.0340.00418.95
7.2.80.0230.01318.55
7.2.70.0130.01618.59
7.2.60.0170.01218.50
7.2.50.0160.01018.90
7.2.40.0160.01318.82
7.2.30.0290.00618.71
7.2.20.0260.01518.86
7.2.10.0200.00618.55
7.2.00.0200.00919.90
7.1.250.0260.00317.88
7.1.70.0030.00619.15
7.1.60.0140.01419.46
7.1.50.0090.01618.69
7.1.00.0030.07724.39
7.0.200.0030.00618.46
7.0.140.0000.07723.97
7.0.90.0630.04721.64
7.0.80.0700.04321.68
7.0.70.0870.03721.54
7.0.60.0330.04321.75
7.0.50.0970.08321.96
7.0.40.0130.08019.91
7.0.30.0070.06320.08
7.0.20.0100.06720.05
7.0.10.0200.08020.13
7.0.00.0100.07720.02
5.6.280.0130.07725.46
5.6.230.0070.05325.18
5.6.220.0100.09025.16
5.6.210.0070.05325.12
5.6.200.0200.08725.42
5.6.190.0170.08025.81
5.6.180.0130.09325.75
5.6.170.0070.09025.67
5.6.160.0230.07025.72
5.6.150.0200.08025.72
5.6.140.0030.09725.59
5.6.130.0130.08025.76
5.6.120.0100.07325.51
5.6.110.0100.09725.59
5.6.100.0070.09725.65
5.6.90.0130.09725.66
5.6.80.0170.08725.19
5.6.70.0100.05025.05
5.6.60.0130.08025.05
5.6.50.0100.08724.98
5.6.40.0070.09025.16
5.6.30.0200.08325.14
5.6.20.0030.09024.95
5.6.10.0100.09325.05
5.6.00.0170.07725.16
5.5.370.0030.05025.06
5.5.360.0100.04325.00
5.5.350.0070.05325.08
5.5.340.0100.09325.53
5.5.330.0200.07725.48
5.5.320.0200.06325.45
5.5.310.0200.08025.53
5.5.300.0000.10025.46
5.5.290.0070.09025.55
5.5.280.0030.10325.41
5.5.270.0230.07725.57
5.5.260.0230.08725.55
5.5.250.0100.09025.38
5.5.240.0170.07724.92
5.5.230.0130.09024.75
5.5.220.0130.08324.84
5.5.210.0170.08724.63
5.5.200.0100.08724.87
5.5.190.0000.10024.75
5.5.180.0070.10024.81
5.5.160.0330.07724.79
5.5.150.0100.05724.88
5.5.140.0170.07024.72
5.5.130.0200.07724.55
5.5.120.0100.07724.88
5.5.110.0070.09024.89
5.5.100.0170.08024.77
5.5.90.0170.07724.74
5.5.80.0130.08024.79
5.5.70.0130.08324.67
5.5.60.0130.08724.70
5.5.50.0170.08324.73
5.5.40.0100.08324.71
5.5.30.0130.08724.59
5.5.20.0170.08324.69
5.5.10.0130.08324.63
5.5.00.0100.05024.74
5.4.450.0130.07723.93
5.4.440.0200.07723.85
5.4.430.0230.07023.85
5.4.420.0000.10023.78
5.4.410.0070.09023.73
5.4.400.0030.07323.40
5.4.390.0130.07723.53
5.4.380.0100.08323.62
5.4.370.0130.07323.56
5.4.360.0070.09023.62
5.4.350.0100.09323.52
5.4.340.0100.08023.57
5.4.320.0070.09323.52
5.4.310.0100.08323.48
5.4.300.0100.08723.69
5.4.290.0130.07723.56
5.4.280.0130.07723.68
5.4.270.0200.08023.39
5.4.260.0100.09023.50
5.4.250.0070.08723.36
5.4.240.0100.08723.53
5.4.230.0100.09023.52
5.4.220.0070.09023.62
5.4.210.0030.09323.64
5.4.200.0070.08323.54
5.4.190.0100.08023.68
5.4.180.0100.09023.68
5.4.170.0170.06323.60
5.4.160.0070.08723.54
5.4.150.0100.09323.56
5.4.140.0030.08720.99
5.4.130.0070.06020.73
5.4.120.0070.09720.98
5.4.110.0130.07020.89
5.4.100.0000.05720.79
5.4.90.0170.06020.74
5.4.80.0200.07720.95
5.4.70.0030.08721.04
5.4.60.0130.06020.84
5.4.50.0000.09021.03
5.4.40.0170.05020.88
5.4.30.0130.07720.75
5.4.20.0200.06320.91
5.4.10.0030.09321.03
5.4.00.0070.08320.46
5.3.290.0070.07314.61
5.3.280.0070.07314.47
5.3.270.0170.06714.43
5.3.260.0070.07314.43
5.3.250.0030.07014.60
5.3.240.0100.06314.57
5.3.230.0100.06714.61
5.3.220.0100.06314.40
5.3.210.0070.07314.50
5.3.200.0030.08014.42
5.3.190.0070.08014.55
5.3.180.0070.06014.51
5.3.170.0100.07014.56
5.3.160.0100.06314.51
5.3.150.0070.07314.55
5.3.140.0100.07714.54
5.3.130.0100.07714.53
5.3.120.0030.07714.51
5.3.110.0000.04314.41
5.3.100.0070.07713.89
5.3.90.0100.06714.01
5.3.80.0100.07713.99
5.3.70.0100.07014.03
5.3.60.0100.07314.00
5.3.50.0100.07313.90
5.3.40.0000.08313.88
5.3.30.0030.08313.90
5.3.20.0030.07713.67
5.3.10.0030.06013.60
5.3.00.0070.03713.62
5.2.170.0030.06713.60
5.2.160.0030.06313.60
5.2.150.0030.04013.60
5.2.140.0070.06013.60
5.2.130.0100.03713.60
5.2.120.0030.06713.60
5.2.110.0000.03713.60
5.2.100.0030.04013.60
5.2.90.0030.03713.60
5.2.80.0000.03713.60
5.2.70.0100.04013.60
5.2.60.0030.03313.60
5.2.50.0070.06013.60
5.2.40.0100.03713.60
5.2.30.0030.06013.60
5.2.20.0030.06313.60
5.2.10.0100.05313.60
5.2.00.0030.06013.60
5.1.60.0030.03013.60
5.1.50.0130.03013.60
5.1.40.0030.04313.60
5.1.30.0070.05013.60
5.1.20.0030.06013.60
5.1.10.0130.05013.60
5.1.00.0030.05313.60
5.0.50.0030.04713.60
5.0.40.0070.04013.60
5.0.30.0030.05713.60
5.0.20.0000.03313.60
5.0.10.0000.03013.60
5.0.00.0030.04013.60
4.4.90.0000.02013.60
4.4.80.0070.03013.60
4.4.70.0100.03013.60
4.4.60.0000.03313.60
4.4.50.0000.03013.60
4.4.40.0000.02713.60
4.4.30.0130.01713.60
4.4.20.0100.03013.60
4.4.10.0030.03313.60
4.4.00.0000.04713.60
4.3.110.0030.03313.60
4.3.100.0070.02013.60
4.3.90.0030.02713.60
4.3.80.0000.03713.60
4.3.70.0030.03313.60
4.3.60.0070.03013.60
4.3.50.0000.04013.60
4.3.40.0000.05013.60
4.3.30.0000.03313.60
4.3.20.0030.03713.60
4.3.10.0000.03313.60
4.3.00.0070.03013.60

preferences:
36.55 ms | 400 KiB | 5 Q