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); $start_t = microtime(true); $sarr = new SplFixedArray(10000); for($i = 0; $i < 10000; $i++) { $sarr[$i] = 'test'; } echo 'SplFixedArray: '; 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); $start_t = microtime(true); foreach ($arr as $key => $value) { $iarr[$key] = $value . 'bar'; } echo 'ArrayIterator: '; var_dump(microtime(true) - $start_t); $start_t = microtime(true); foreach ($arr as $key => $value) { $sarr[$key] = $value . 'bar'; } echo 'SplFixedArray: '; 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)
7.4.00.0080.01516.54
7.3.120.0130.01016.66
7.3.110.0050.01516.59
7.3.100.0080.01316.59
7.3.90.0050.01416.52
7.3.80.0070.01116.69
7.3.70.0070.01316.56
7.3.60.0090.00616.59
7.3.50.0070.01116.55
7.3.40.0090.00916.61
7.3.30.0080.01016.63
7.3.20.0070.01018.46
7.3.10.0110.01018.45
7.3.00.0090.01118.46
7.2.250.0050.01816.75
7.2.240.0060.01916.95
7.2.230.0100.01116.95
7.2.220.0070.01216.82
7.2.210.0040.01516.89
7.2.200.0070.01316.84
7.2.190.0070.01216.86
7.2.180.0060.01316.82
7.2.170.0060.01416.79
7.2.160.0090.00916.77
7.2.150.0090.01219.05
7.2.140.0030.01018.94
7.2.130.0070.01518.60
7.2.120.0090.01118.69
7.2.110.0100.01118.67
7.2.100.0100.01018.85
7.2.90.0060.01418.73
7.2.80.0090.01218.75
7.2.70.0080.01218.83
7.2.60.0080.01318.75
7.2.50.0070.01618.65
7.2.40.0110.01018.70
7.2.30.0100.01118.87
7.2.20.0120.01118.95
7.2.10.0090.01318.71
7.2.00.0080.01219.42
7.1.330.0110.01117.56
7.1.320.0080.01117.82
7.1.310.0080.01117.83
7.1.300.0050.01117.70
7.1.290.0050.01317.68
7.1.280.0050.01417.73
7.1.270.0050.01517.72
7.1.260.0060.01517.88
7.1.250.0060.01317.67
7.1.70.0090.00019.11
7.1.60.0140.01419.40
7.1.50.0040.01218.82
7.1.00.0030.06724.34
7.0.200.0030.00718.92
7.0.140.0030.07324.04
7.0.60.0170.07721.71
7.0.50.0130.07719.61
7.0.40.0100.06720.07
7.0.30.0200.04020.20
7.0.20.0270.05320.09
7.0.10.0270.08020.00
7.0.00.0200.07020.16
5.6.280.0100.08326.22
5.6.210.0000.05025.83
5.6.200.0200.08723.32
5.6.190.0100.10325.50
5.6.180.0230.05025.66
5.6.170.0270.05025.39
5.6.160.0200.07725.62
5.6.150.0070.05723.30
5.6.140.0100.08323.31
5.6.130.0100.09023.23
5.6.120.0070.04726.30
5.6.110.0100.09726.15
5.6.100.0030.08726.27
5.6.90.0100.10326.14
5.6.80.0070.07725.53
5.6.70.4200.05025.52
5.5.350.3100.04025.59
5.5.340.0100.04023.12
5.5.330.0070.04725.41
5.5.320.0200.04325.20
5.5.310.0230.04325.20
5.5.300.0100.04723.04
5.5.290.0030.05323.03
5.5.280.0030.10725.95
5.5.270.0030.05025.91
5.5.260.0070.08025.83
5.5.250.0070.08325.85
5.5.240.0130.09025.43
5.4.450.0070.10024.39
5.4.440.0070.05324.23
5.4.430.0000.10024.53
5.4.420.0230.07724.32
5.4.410.0070.05024.10
5.4.400.0030.05024.09
5.4.390.0130.07024.18
5.4.380.0130.05724.27
5.4.370.0100.07324.26
5.4.360.0030.05024.12
5.4.350.0100.08324.05
5.4.340.0100.08323.91
5.4.320.0130.08324.08
5.4.310.0030.09024.05
5.4.300.0130.07723.98
5.4.290.0100.09324.17
5.4.280.0200.07724.00
5.4.270.0130.08724.00
5.4.260.0030.05024.25
5.4.250.0100.07024.26
5.4.240.0200.08024.08
5.4.230.0070.06323.89
5.4.220.0200.06324.23
5.4.210.0100.08724.25
5.4.200.0130.08723.89
5.4.190.0070.05324.00
5.4.180.0100.04024.11
5.4.170.0030.05324.25
5.4.160.0030.04723.87
5.4.150.0130.06324.27
5.4.140.0230.06021.38
5.4.130.0070.04721.39
5.4.120.0070.05721.48
5.4.110.0100.05721.49
5.4.100.0100.07321.40
5.4.90.0100.08721.30
5.4.80.0030.07721.34
5.4.70.0070.09021.43
5.4.60.0170.07721.41
5.4.50.0070.04721.29
5.4.40.0070.08721.32
5.4.30.0130.06321.43
5.4.20.0030.06021.40
5.4.10.0100.08021.49
5.4.00.0070.08720.82
5.3.290.0000.08714.59
5.3.280.0070.07714.47
5.3.270.0100.03314.39
5.3.260.0100.03314.54
5.3.250.0000.08014.40
5.3.240.0070.04314.55
5.3.230.0070.06714.53
5.3.220.0130.05714.54
5.3.210.0030.08314.36
5.3.200.0030.05314.46
5.3.190.0070.07714.50
5.3.180.0100.07714.53
5.3.170.0170.04714.36
5.3.160.0030.08014.51
5.3.150.0100.07314.36
5.3.140.0100.04314.48
5.3.130.0100.05014.64
5.3.120.0000.07314.43
5.3.110.0000.04314.45
5.3.100.0070.08314.04
5.3.90.0030.08313.99
5.3.80.0070.07313.95
5.3.70.0130.06313.95
5.3.60.0030.04013.93
5.3.50.0100.03713.87
5.3.40.0030.06013.91
5.3.30.0100.07713.84
5.3.20.0100.06013.62
5.3.10.0070.07013.45
5.3.00.0070.04013.57
5.2.170.0100.03010.97
5.2.160.0030.05011.22
5.2.150.0070.05711.13
5.2.140.0000.05011.07
5.2.130.0130.05311.09
5.2.120.0070.04710.96
5.2.110.0030.03311.09
5.2.100.0070.05711.07
5.2.90.0100.03311.09
5.2.80.0100.05711.04
5.2.70.0070.05710.95
5.2.60.0070.03011.03
5.2.50.0070.06311.00
5.2.40.0000.06710.99
5.2.30.0030.06010.87
5.2.20.0030.04710.89
5.2.10.0070.03310.76
5.2.00.0130.05310.72
5.1.60.0070.05010.07
5.1.50.0100.0179.99
5.1.40.0070.0309.94
5.1.30.0070.03310.33
5.1.20.0000.03310.43
5.1.10.0070.02310.11
5.1.00.0000.06310.08
5.0.50.0030.0308.49
5.0.40.0000.0238.55
5.0.30.0030.0308.20
5.0.20.0030.0338.35
5.0.10.0100.0378.19
5.0.00.0000.0608.10
4.4.90.0030.0307.61
4.4.80.0030.0377.61
4.4.70.0030.0337.61
4.4.60.0000.0307.61
4.4.50.0000.0337.61
4.4.40.0100.0477.61
4.4.30.0030.0177.61
4.4.20.0030.0377.61
4.4.10.0000.0377.61
4.4.00.0030.0307.61
4.3.110.0000.0177.61
4.3.100.0000.0237.61
4.3.90.0030.0337.61
4.3.80.0000.0277.61
4.3.70.0000.0277.61
4.3.60.0070.0237.61
4.3.50.0000.0337.61
4.3.40.0030.0537.61
4.3.30.0000.0377.61
4.3.20.0000.0277.61
4.3.10.0000.0237.61
4.3.00.0000.0277.61

preferences:
28.72 ms | 400 KiB | 5 Q