3v4l.org

run code in 300+ PHP versions simultaneously
<?php $my_key = uniqid("\x00"); $var[$my_key] = TRUE; foreach($var as $key => $val) { if ($key === $my_key) { echo 'You got it right'; } else { echo 'You got it wrong'; } }

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)
7.1.70.0000.01017.21
7.1.60.0030.01519.61
7.1.50.0060.01517.04
7.1.00.0030.07722.27
7.0.200.0040.00416.52
7.0.140.0000.07322.04
7.0.60.0070.08720.02
7.0.50.0070.07717.84
7.0.40.0070.08317.69
7.0.30.0030.06317.80
7.0.20.0070.05017.69
7.0.10.0100.05017.78
7.0.00.0100.07017.72
5.6.280.0070.07020.86
5.6.210.0000.05720.53
5.6.200.0030.05318.22
5.6.190.0030.04318.15
5.6.180.0070.05318.18
5.6.170.0030.06318.11
5.6.160.0070.04318.17
5.6.150.0030.05018.18
5.6.140.0100.04318.11
5.6.130.0230.06718.16
5.6.120.0070.04018.18
5.6.110.0130.07718.15
5.6.100.0070.07718.16
5.6.90.0000.08318.07
5.6.80.0100.05017.55
5.6.70.0100.07017.50
5.6.60.0070.07017.59
5.6.50.0070.07317.50
5.6.40.0070.07717.44
5.6.30.0070.07717.51
5.6.20.0130.07317.44
5.6.10.0030.08017.57
5.6.00.0030.06317.53
5.5.350.0100.04020.42
5.5.340.0070.07318.02
5.5.330.0170.06318.02
5.5.320.0030.08017.91
5.5.310.0170.07717.89
5.5.300.0100.07717.95
5.5.290.0030.04317.89
5.5.280.0030.04318.03
5.5.270.0100.05717.91
5.5.260.0100.06318.00
5.5.250.0030.07717.79
5.5.240.0170.06317.26
5.5.230.0070.07317.30
5.5.220.0130.05717.28
5.5.210.0100.07317.39
5.5.200.0070.08017.34
5.5.190.0030.05717.32
5.5.180.0000.08317.23
5.5.160.0170.05317.23
5.5.150.0070.04317.23
5.5.140.0100.07017.32
5.5.130.0000.07017.22
5.5.120.0070.08017.35
5.5.110.0000.08317.30
5.5.100.0070.07717.16
5.5.90.0200.06317.26
5.5.80.0030.05317.16
5.5.70.0030.06717.25
5.5.60.0100.07017.22
5.5.50.0030.04317.26
5.5.40.0030.04317.23
5.5.30.0030.04017.13
5.5.20.0100.05317.25
5.5.10.0030.08017.17
5.5.00.0070.04717.21
5.4.450.0130.07019.40
5.4.440.0070.08019.23
5.4.430.0030.08319.43
5.4.420.0070.08319.31
5.4.410.0000.08019.31
5.4.400.0100.07719.09
5.4.390.0170.06719.20
5.4.380.0070.07719.12
5.4.370.0030.05018.88
5.4.360.0130.07319.00
5.4.350.0130.07319.09
5.4.340.0030.05019.11
5.4.320.0100.04719.21
5.4.310.0030.08018.98
5.4.300.0100.05319.07
5.4.290.0130.07319.20
5.4.280.0130.06018.94
5.4.270.0030.07718.83
5.4.260.0070.07019.11
5.4.250.0030.08019.00
5.4.240.0030.04018.94
5.4.230.0100.07319.09
5.4.220.0130.07318.97
5.4.210.0070.06018.90
5.4.200.0030.04319.13
5.4.190.0300.05318.97
5.4.180.0030.08319.08
5.4.170.0070.04019.02
5.4.160.0030.04018.95
5.4.150.0030.04018.93
5.4.140.0000.04016.32
5.4.130.0000.03716.15
5.4.120.0030.03316.27
5.4.110.0030.03716.35
5.4.100.0030.03316.38
5.4.90.0030.03316.41
5.4.80.0030.03316.15
5.4.70.0030.03316.26
5.4.60.0070.03016.20
5.4.50.0000.03716.27
5.4.40.0030.03316.20
5.4.30.0130.02316.30
5.4.20.0030.03316.22
5.4.10.0030.03316.21
5.4.00.0000.03715.70
5.3.290.0070.07714.64
5.3.280.0070.06714.39
5.3.270.0100.07314.43
5.3.260.0000.04014.34
5.3.250.0000.04014.68
5.3.240.0030.03714.57
5.3.230.0030.03714.53
5.3.220.0000.04014.50
5.3.210.0130.03714.48
5.3.200.0000.03714.34
5.3.190.0000.04314.64
5.3.180.0070.04014.50
5.3.170.0070.03314.51
5.3.160.0030.03714.41
5.3.150.0030.06314.50
5.3.140.0000.03714.49
5.3.130.0070.03314.48
5.3.120.0000.04014.62
5.3.110.0070.03314.47
5.3.100.0070.03313.81
5.3.90.0000.03714.09
5.3.80.0030.03313.97
5.3.70.0100.03013.77
5.3.60.0070.03013.92
5.3.50.0030.03713.88
5.3.40.0000.04013.72
5.3.30.0000.03713.86
5.3.20.0000.03713.68
5.3.10.0070.03013.43
5.3.00.0030.03313.54
5.2.170.0070.02311.04
5.2.160.0000.04011.13
5.2.150.0030.02710.93
5.2.140.0000.03011.13
5.2.130.0070.02311.09
5.2.120.0070.02311.08
5.2.110.0000.03011.07
5.2.100.0030.02711.13
5.2.90.0000.03011.07
5.2.80.0000.03010.95
5.2.70.0000.03011.23
5.2.60.0070.06311.08
5.2.50.0000.04010.97
5.2.40.0100.05010.98
5.2.30.0030.05311.11
5.2.20.0000.06310.93
5.2.10.0030.05010.86
5.2.00.0000.03710.69
5.1.60.0030.0379.82
5.1.50.0000.03010.02
5.1.40.0030.0279.95
5.1.30.0000.04310.36
5.1.20.0130.03310.24
5.1.10.0100.05310.05
5.1.00.0070.0409.89
5.0.50.0000.0479.29
5.0.40.0100.0439.29
5.0.30.0070.0639.29
5.0.20.0070.0439.29
5.0.10.0030.0439.29
5.0.00.0100.0579.29
4.4.90.0000.0309.29
4.4.80.0070.0339.29
4.4.70.0000.0309.29
4.4.60.0030.0209.29
4.4.50.0070.0339.29
4.4.40.0000.0539.29
4.4.30.0030.0239.29
4.4.20.0030.0379.29
4.4.10.0070.0309.29
4.4.00.0030.0579.29
4.3.110.0030.0379.29
4.3.100.0000.0339.29
4.3.90.0030.0339.29
4.3.80.0030.0439.29
4.3.70.0030.0339.29
4.3.60.0070.0139.29
4.3.50.0000.0279.29
4.3.40.0070.0479.29
4.3.30.0030.0179.29
4.3.20.0030.0179.29
4.3.10.0030.0339.29
4.3.00.0070.0209.29

preferences:
38.35 ms | 401 KiB | 5 Q