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($timestamp2-$timestamp1); for ($i=1;$i<10000;$i++) { if ($array) {} } $timestamp3 = microtime(true)-$timestamp; var_dump($timestamp3-$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)
7.4.00.0080.00914.80
7.3.120.0080.01214.92
7.3.110.0060.00914.89
7.3.100.0060.00914.83
7.3.90.0040.00914.70
7.3.80.0080.00814.80
7.3.70.0080.01014.76
7.3.60.0050.01114.76
7.3.50.0070.00914.84
7.3.40.0040.01014.82
7.3.30.0070.01014.82
7.3.20.0020.01216.57
7.3.10.0070.00716.57
7.3.00.0060.00916.60
7.2.250.0060.01214.95
7.2.240.0090.01215.18
7.2.230.0030.01315.09
7.2.220.0070.00714.98
7.2.210.0080.00714.88
7.2.200.0060.01115.13
7.2.190.0070.00915.01
7.2.180.0110.00715.04
7.2.170.0090.00814.98
7.1.330.0060.01115.64
7.1.320.0070.01015.85
7.1.310.0080.00715.86
7.1.300.0040.01315.82
7.1.290.0080.01015.82
7.1.280.0090.00915.64
7.1.270.0060.01215.76
7.1.260.0070.00915.81
7.1.70.0000.01617.09
7.1.60.0060.01619.33
7.1.50.0060.01616.88
7.1.00.0070.07322.36
7.0.200.0090.00416.88
7.0.140.0030.06721.95
7.0.80.0600.07019.87
7.0.70.0370.07719.91
7.0.60.0470.07720.01
7.0.50.0370.06320.39
7.0.40.0030.08320.14
7.0.30.0070.08720.18
7.0.20.0170.08020.05
7.0.10.0100.07720.14
7.0.00.0100.08319.99
5.6.280.0000.08021.14
5.6.230.0200.06720.63
5.6.220.0100.06720.49
5.6.210.0100.07720.64
5.6.200.0100.07021.06
5.6.190.0070.08021.02
5.6.180.0030.09020.95
5.6.170.0130.08321.13
5.6.160.0070.07721.03
5.6.150.0170.07321.11
5.6.140.0100.07320.92
5.6.130.0030.08321.16
5.6.120.0100.08320.88
5.6.110.0230.05721.00
5.6.100.0100.06321.15
5.6.90.0030.08721.01
5.6.80.0170.07020.47
5.6.70.0030.07720.42
5.6.60.0070.05020.42
5.6.50.0130.07320.27
5.6.40.0070.06720.52
5.6.30.0030.09020.39
5.6.20.0200.04320.36
5.6.10.0000.08720.43
5.6.00.0070.06720.44
5.5.370.0130.06320.42
5.5.360.0000.08320.36
5.5.350.0100.08320.37
5.5.340.0100.07320.82
5.5.330.0070.08720.93
5.5.320.0200.05320.87
5.5.310.0130.06020.63
5.5.300.0070.07320.82
5.5.290.0130.08320.82
5.5.280.0030.04720.79
5.5.270.0130.07720.90
5.5.260.0100.08320.90
5.5.250.0100.07720.64
5.5.240.0100.08020.29
5.5.230.0030.05020.26
5.5.220.0070.08720.27
5.5.210.0030.05720.29
5.5.200.0100.07020.25
5.5.190.0000.05320.18
5.5.180.0100.05720.14
5.5.160.0070.05720.11
5.5.150.0100.07320.23
5.5.140.0070.07719.98
5.5.130.0000.06020.12
5.5.120.0100.05720.09
5.5.110.0030.08720.10
5.5.100.0030.05320.16
5.5.90.0170.07020.09
5.5.80.0100.04320.16
5.5.70.0070.07320.15
5.5.60.0100.06320.05
5.5.50.0130.04020.04
5.5.40.0070.08320.14
5.5.30.0130.07720.09
5.5.20.0100.08020.05
5.5.10.0100.07720.07
5.5.00.0130.07319.99
5.4.450.0130.07019.47
5.4.440.0070.08719.11
5.4.430.0070.06019.46
5.4.420.0070.07719.27
5.4.410.0100.07719.34
5.4.400.0130.10019.06
5.4.390.0130.07719.13
5.4.380.0000.09019.06
5.4.370.0100.08319.02
5.4.360.0070.05318.98
5.4.350.0030.09018.79
5.4.340.0070.04719.02
5.4.320.0070.06318.90
5.4.310.0170.06318.81
5.4.300.0170.07018.96
5.4.290.0070.06319.02
5.4.280.0070.05318.89
5.4.270.0130.07719.12
5.4.260.0070.07719.12
5.4.250.0130.03719.02
5.4.240.0070.04019.05
5.4.230.0070.08319.12
5.4.220.0070.08318.91
5.4.210.0070.06018.77
5.4.200.0130.06719.08
5.4.190.0100.08018.93
5.4.180.0130.07019.10
5.4.170.0030.08719.02
5.4.160.0070.08319.07
5.4.150.0070.09019.10
5.4.140.0130.07716.37
5.4.130.0000.06016.26
5.4.120.0200.05316.36
5.4.110.0070.08716.26
5.4.100.0070.07716.45
5.4.90.0070.07716.22
5.4.80.0000.08016.36
5.4.70.0070.08016.33
5.4.60.0100.07716.28
5.4.50.0130.06716.33
5.4.40.0100.07716.42
5.4.30.0130.06316.23
5.4.20.0130.04316.27
5.4.10.0130.07016.17
5.4.00.0070.08015.81
5.3.290.0100.07714.52
5.3.280.0130.08014.45
5.3.270.0000.08314.59
5.3.260.0030.06014.59
5.3.250.0030.07714.60
5.3.240.0070.08014.61
5.3.230.0170.07014.45
5.3.220.0030.05714.55
5.3.210.0070.05014.51
5.3.200.0070.07714.57
5.3.190.0070.08314.39
5.3.180.0200.05714.56
5.3.170.0070.08314.54
5.3.160.0070.07714.42
5.3.150.0030.08314.57
5.3.140.0070.07714.41
5.3.130.0130.07014.55
5.3.120.0070.08714.50
5.3.110.0130.07014.54
5.3.100.0030.07313.87
5.3.90.0030.07713.97
5.3.80.0030.08013.98
5.3.70.0070.07313.87
5.3.60.0070.07713.97
5.3.50.0070.07313.95
5.3.40.0070.07713.77
5.3.30.0100.07313.89
5.3.20.0000.05013.68
5.3.10.0100.07313.56
5.3.00.0100.07013.50
5.2.170.0000.06711.63
5.2.160.0070.06311.63
5.2.150.0100.06311.63
5.2.140.0030.07311.63
5.2.130.0030.03711.63
5.2.120.0100.06311.63
5.2.110.0030.06711.63
5.2.100.0070.05711.63
5.2.90.0100.06311.63
5.2.80.0070.06011.63
5.2.70.0070.06711.63
5.2.60.0100.04711.63
5.2.50.0000.07711.63
5.2.40.0100.05311.63
5.2.30.0170.05311.63
5.2.20.0000.05711.63
5.2.10.0070.05711.63
5.2.00.0100.05011.63
5.1.60.0100.03311.63
5.1.50.0200.04711.63
5.1.40.0030.06011.63
5.1.30.0130.05311.63
5.1.20.0070.05311.63
5.1.10.0030.06011.63
5.1.00.0070.05711.63
5.0.50.0030.05711.63
5.0.40.0000.06011.63
5.0.30.0000.04711.63
5.0.20.0130.04311.63
5.0.10.0000.06011.63
5.0.00.0030.06711.63
4.4.90.0000.04711.63
4.4.80.0070.03711.63
4.4.70.0030.04711.63
4.4.60.0030.04711.63
4.4.50.0070.04311.63
4.4.40.0070.05311.63
4.4.30.0030.04311.63
4.4.20.0000.05311.63
4.4.10.0030.03011.63
4.4.00.0030.05311.63
4.3.110.0130.03011.63
4.3.100.0100.03311.63
4.3.90.0000.04711.63
4.3.80.0030.05711.63
4.3.70.0000.04311.63
4.3.60.0030.03311.63
4.3.50.0000.03711.63
4.3.40.0000.05711.63
4.3.30.0000.05011.63
4.3.20.0000.05011.63
4.3.10.0030.04711.63
4.3.00.0000.04011.63

preferences:
36.78 ms | 400 KiB | 5 Q