3v4l.org

run code in 300+ PHP versions simultaneously
<?php $numeric_fails = 0; $non_numeric_fails = 0; $iterations = 1000; for ($i = 0; $i < $iterations; $i++) { $my_key = uniqid("\x00"); $var = array(); $var[$my_key] = TRUE; foreach ($var as $key => $val) { if ($key === $my_key) { } else { if (is_numeric($my_key)) { $numeric_fails++; } else { $non_numeric_fails++; } } } print "Numeric key fails: $numeric_fails".PHP_EOL; print "Non-Numeric key fails: $non_numeric_fails".PHP_EOL; print "Total fails: ".($numeric_fails + $non_numeric_fails).PHP_EOL;

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)
5.4.320.0080.03812.47
5.4.310.0050.04012.46
5.4.300.0070.03812.47
5.4.290.0040.04712.47
5.4.280.0090.03212.36
5.4.270.0090.03312.36
5.4.260.0060.03812.36
5.4.250.0060.04112.36
5.4.240.0070.03812.36
5.4.230.0070.04412.36
5.4.220.0080.04312.36
5.4.210.0060.04112.35
5.4.200.0100.03712.36
5.4.190.0100.03612.35
5.4.180.0070.03612.35
5.4.170.0070.03812.36
5.4.160.0060.03712.36
5.4.150.0060.03712.36
5.4.140.0050.04312.04
5.4.130.0100.03512.02
5.4.120.0080.03511.99
5.4.110.0040.03711.98
5.4.100.0090.04511.99
5.4.90.0120.03311.98
5.4.80.0080.03411.98
5.4.70.0080.04111.98
5.4.60.0070.03411.98
5.4.50.0040.04611.98
5.4.40.0070.04411.97
5.4.30.0080.03411.96
5.4.20.0070.03811.96
5.4.10.0050.03911.96
5.4.00.0050.03611.46
5.3.290.0090.04212.80
5.3.280.0100.04312.71
5.3.270.0080.03712.73
5.3.260.0070.04712.72
5.3.250.0070.04712.71
5.3.240.0070.04112.72
5.3.230.0110.03612.70
5.3.220.0090.04312.68
5.3.210.0030.04012.68
5.3.200.0080.04012.68
5.3.190.0040.04312.68
5.3.180.0070.03812.67
5.3.170.0090.04212.66
5.3.160.0060.04112.67
5.3.150.0070.04212.68
5.3.140.0060.04312.66
5.3.130.0050.04512.66
5.3.120.0100.04312.65
5.3.110.0070.04612.66
5.3.100.0060.04412.12
5.3.90.0100.04812.08
5.3.80.0080.03412.08
5.3.70.0080.03412.08
5.3.60.0060.03712.07
5.3.50.0040.03812.00
5.3.40.0100.03712.00
5.3.30.0100.03711.95
5.3.20.0070.03611.73
5.3.10.0080.04211.70
5.3.00.0070.03611.68
5.2.170.0060.0369.18
5.2.160.0060.0349.18
5.2.150.0050.0369.18
5.2.140.0060.0329.18
5.2.130.0070.0289.14
5.2.120.0050.0319.14
5.2.110.0060.0309.15
5.2.100.0060.0279.15
5.2.90.0070.0269.14
5.2.80.0030.0319.14
5.2.70.0040.0319.14
5.2.60.0040.0309.09
5.2.50.0050.0299.06
5.2.40.0040.0309.04
5.2.30.0050.0319.02
5.2.20.0040.0309.02
5.2.10.0050.0288.94
5.2.00.0050.0308.79
5.1.60.0060.0228.09
5.1.50.0060.0268.08
5.1.40.0050.0238.06
5.1.30.0040.0268.41
5.1.20.0050.0298.43
5.1.10.0070.0248.15
5.1.00.0060.0258.16
5.0.50.0040.0216.64
5.0.40.0020.0216.50
5.0.30.0050.0306.31
5.0.20.0040.0196.28
5.0.10.0040.0276.27
5.0.00.0030.0326.25
4.4.90.0040.0154.78
4.4.80.0050.0154.75
4.4.70.0030.0164.75
4.4.60.0030.0154.76
4.4.50.0020.0174.77
4.4.40.0040.0254.71
4.4.30.0050.0234.76
4.4.20.0050.0154.84
4.4.10.0060.0194.85
4.4.00.0030.0324.76
4.3.110.0020.0194.67
4.3.100.0050.0204.66
4.3.90.0020.0184.64
4.3.80.0050.0254.58
4.3.70.0030.0144.63
4.3.60.0040.0144.63
4.3.50.0040.0214.63
4.3.40.0030.0254.53
4.3.30.0030.0173.29
4.3.20.0060.0183.27
4.3.10.0050.0133.23
4.3.00.0100.01713.95

preferences:
143.31 ms | 1394 KiB | 7 Q