3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'foo' => 'bar', ); $timestamp = microtime(true); for ($i=1;$i<10000;$i++) { if (array_keys($array)) {} } $timestamp1 = microtime(true)-$timestamp; var_dump($timestamp1); for ($i=1;$i<10000;$i++) { if (!empty($array)) {} } $timestamp2 = microtime(true)-$timestamp; var_dump($timestamp2);

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)
7.2.00.0030.01319.46
7.1.70.0030.00516.98
7.1.60.0090.01519.40
7.1.50.0070.01816.99
7.1.00.0100.06322.31
7.0.200.0040.00716.55
7.0.140.0130.06722.02
7.0.60.0070.07721.68
7.0.50.0130.07717.89
7.0.40.0030.06020.06
7.0.30.0200.04720.13
7.0.20.0230.07720.16
7.0.10.0100.09020.16
7.0.00.0070.06320.20
5.6.210.0100.07320.50
5.6.200.0100.08018.08
5.6.190.0070.08720.77
5.6.180.0070.05020.27
5.6.170.0330.07720.47
5.6.160.0030.05320.51
5.6.150.0100.06018.07
5.6.140.0070.08718.20
5.6.130.0000.07318.11
5.6.120.0030.08721.08
5.6.110.0100.05021.02
5.6.100.0100.04021.08
5.6.90.0070.04020.94
5.6.80.0170.06320.50
5.5.350.0030.09020.33
5.5.340.0130.04317.97
5.5.330.0130.07320.21
5.5.320.0400.07720.31
5.5.310.0270.07020.30
5.5.300.0030.06717.89
5.5.290.0170.06017.90
5.5.280.0070.07320.87
5.5.270.0030.04320.88
5.5.260.0130.08320.76
5.5.250.0030.07720.49
5.5.240.0230.07320.25
5.4.450.0070.06319.43
5.4.440.0070.05019.41
5.4.430.0100.08319.47
5.4.420.0100.08019.46
5.4.410.0070.08019.24
5.4.400.0070.08019.16
5.4.390.0070.04018.92
5.4.380.0030.07019.09
5.4.370.0070.05718.92
5.4.360.0130.07019.18
5.4.350.0100.07719.14
5.4.340.0100.07319.10
5.4.320.0030.06318.79
5.4.310.0070.03719.08
5.4.300.0100.08019.08
5.4.290.0130.06319.17
5.4.280.0100.04719.08
5.4.270.0130.05018.92
5.4.260.0070.05719.08
5.4.250.0030.06719.13
5.4.240.0070.06719.07
5.4.230.0200.04318.96
5.4.220.0170.06719.17
5.4.210.0100.06019.08
5.4.200.0100.07718.79
5.4.190.0070.07319.07
5.4.180.0070.07719.16
5.4.170.0100.06319.06
5.4.160.0070.07318.77
5.4.150.0030.06019.06
5.4.140.0100.07016.35
5.4.130.0130.07016.39
5.4.120.0100.03716.25
5.4.110.0130.06016.23
5.4.100.0030.06716.39
5.4.90.0130.05716.36
5.4.80.0100.07016.32
5.4.70.0100.07716.29
5.4.60.0070.07716.38
5.4.50.0130.06716.12
5.4.40.0000.06716.20
5.4.30.0100.05016.39
5.4.20.0130.05716.21
5.4.10.0070.08016.38
5.4.00.0030.07015.68
5.3.290.0030.04314.56
5.3.280.0100.07714.41
5.3.270.0170.07014.53
5.3.260.0100.07014.54
5.3.250.0100.08014.48
5.3.240.0170.09314.69
5.3.230.0000.08714.55
5.3.220.0100.08014.50
5.3.210.0030.05314.49
5.3.200.0030.08714.45
5.3.190.0100.08014.49
5.3.180.0070.08014.35
5.3.170.0070.07014.35
5.3.160.0100.08014.44
5.3.150.0130.07314.46
5.3.140.0130.07014.50
5.3.130.0000.04714.48
5.3.120.0000.05014.46
5.3.110.0100.04314.38
5.3.100.0030.05013.93
5.3.90.0100.07013.96
5.3.80.0070.04313.94
5.3.70.0030.04314.03
5.3.60.0130.03713.84
5.3.50.0070.04013.96
5.3.40.0000.04313.87
5.3.30.0070.04013.84
5.3.20.0000.04313.64
5.3.10.0030.07013.58
5.3.00.0100.05713.42
5.2.170.0130.06011.07
5.2.160.0000.03711.02
5.2.150.0030.03711.15
5.2.140.0030.07011.22
5.2.130.0000.07011.08
5.2.120.0100.06310.99
5.2.110.0030.06710.99
5.2.100.0100.06311.09
5.2.90.0070.06711.08
5.2.80.0030.06711.10
5.2.70.0070.06311.04
5.2.60.0000.04011.03
5.2.50.0100.05710.95
5.2.40.0000.06310.88
5.2.30.0030.07010.91
5.2.20.0030.06710.89
5.2.10.0100.04710.81
5.2.00.0030.03710.79
5.1.60.0030.04310.06
5.1.50.0100.05310.08
5.1.40.0000.0639.95
5.1.30.0000.06710.29
5.1.20.0030.03710.35
5.1.10.0030.04710.19
5.1.00.0030.04310.06
5.0.50.0000.0308.45
5.0.40.0030.0308.52
5.0.30.0070.0638.19
5.0.20.0030.0538.35
5.0.10.0000.0278.23
5.0.00.0000.0378.20
4.4.90.0130.0378.01
4.4.80.0000.0508.01
4.4.70.0070.0438.01
4.4.60.0070.0308.01
4.4.50.0070.0408.01
4.4.40.0030.0638.01
4.4.30.0030.0478.01
4.4.20.0000.0478.01
4.4.10.0000.0278.01
4.4.00.0030.0508.01
4.3.110.0030.0438.01
4.3.100.0000.0278.01
4.3.90.0030.0238.01
4.3.80.0000.0638.01
4.3.70.0030.0378.01
4.3.60.0000.0438.01
4.3.50.0000.0478.01
4.3.40.0000.0408.01
4.3.30.0000.0378.01
4.3.20.0000.0508.01
4.3.10.0000.0438.01
4.3.00.0030.0438.01

preferences:
39.77 ms | 400 KiB | 5 Q