3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(); print memory_get_usage(true) . PHP_EOL; $array['key1'] = md5('val1'); print memory_get_usage(true) . PHP_EOL; $array['key2'] = 'val2'; print memory_get_usage(true) . PHP_EOL; $array['key3'] = 'val3'; print memory_get_usage(true) . 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)
7.4.00.0120.00614.88
7.3.120.0070.01014.57
7.3.110.0070.01114.77
7.3.100.0100.00714.45
7.3.90.0040.01114.91
7.3.80.0100.00614.96
7.3.70.0040.01114.97
7.3.60.0080.00814.54
7.3.50.0070.00714.92
7.3.40.0110.00414.91
7.3.30.0040.01114.89
7.3.20.0140.00416.38
7.3.10.0070.00716.73
7.3.00.0070.00316.52
7.2.250.0100.01015.13
7.2.240.0070.01414.77
7.2.230.0070.00715.01
7.2.220.0060.00615.13
7.2.210.0030.01015.17
7.2.200.0090.00614.95
7.2.190.0060.00614.72
7.2.180.0060.00614.95
7.2.170.0140.00315.07
7.2.00.0030.01019.24
7.1.330.0080.00815.75
7.1.320.0060.00315.66
7.1.310.0000.01415.77
7.1.300.0030.00915.70
7.1.290.0060.00615.70
7.1.280.0070.00715.81
7.1.270.0100.00315.77
7.1.260.0130.00315.52
7.1.70.0050.00217.13
7.1.60.0100.01319.46
7.1.50.0090.01516.75
7.1.00.0030.07722.36
7.0.200.0030.00616.86
7.0.140.0100.07022.11
7.0.110.0100.07319.96
7.0.100.0070.07720.11
7.0.90.0070.06019.86
7.0.80.0100.07319.93
7.0.70.0130.07319.96
7.0.60.0070.08719.93
7.0.50.0100.07719.95
7.0.40.0100.08019.71
7.0.30.0070.08019.79
7.0.20.0070.08719.77
7.0.10.0030.07319.58
7.0.00.0070.04719.69
5.6.280.0000.07721.14
5.6.260.0100.07320.67
5.6.250.0000.06020.60
5.6.240.0100.07320.69
5.6.230.0130.07720.66
5.6.220.0070.07320.84
5.6.210.0070.04320.63
5.6.200.0070.08020.85
5.6.190.0070.08020.65
5.6.180.0200.07020.64
5.6.170.0070.08020.62
5.6.160.0130.07320.61
5.6.150.0100.04720.59
5.6.140.0100.08020.69
5.6.130.0030.08020.61
5.6.120.0130.07720.46
5.6.110.0130.07320.54
5.6.100.0170.06720.62
5.6.90.0170.07020.68
5.6.80.0100.04019.99
5.6.70.0070.07719.95
5.6.60.0100.06720.02
5.6.50.0070.08319.99
5.6.40.0000.08019.99
5.6.30.0200.06319.96
5.6.20.0100.04320.21
5.6.10.0100.07319.91
5.6.00.0070.06719.91
5.5.380.0130.07017.48
5.5.370.0130.04017.58
5.5.360.0100.07717.62
5.5.350.0100.07717.76
5.5.340.0100.07717.90
5.5.330.0100.07317.89
5.5.320.0100.07318.17
5.5.310.0100.07317.86
5.5.300.0100.08017.77
5.5.290.0070.07718.12
5.5.280.0100.07318.25
5.5.270.0070.08318.02
5.5.260.0100.04018.00
5.5.250.0170.06318.06
5.5.240.0170.05717.25
5.5.230.0170.06717.64
5.5.220.0030.08317.22
5.5.210.0030.08317.24
5.5.200.0100.07317.12
5.5.190.0100.07717.11
5.5.180.0100.07317.61
5.5.160.0100.07317.48
5.5.150.0130.03717.44
5.5.140.0130.07717.37
5.5.130.0230.06017.44
5.5.120.0100.03317.11
5.5.110.0070.07717.19
5.5.100.0000.07317.24
5.5.90.0000.08017.41
5.5.80.0130.06317.09
5.5.70.0030.04717.15
5.5.60.0070.07317.25
5.5.50.0070.08017.23
5.5.40.0030.07717.09
5.5.30.0100.07317.14
5.5.20.0100.07017.36
5.5.10.0070.07717.13
5.5.00.0170.06717.08
5.4.450.0070.07319.51
5.4.440.0130.06719.30
5.4.430.0070.08019.35
5.4.420.0130.03719.50
5.4.410.0070.08019.22
5.4.400.0070.08018.95
5.4.390.0100.07318.90
5.4.380.0000.05019.18
5.4.370.0000.07718.95
5.4.360.0100.04319.18
5.4.350.0070.07319.12
5.4.340.0100.07019.01
5.4.320.0170.05319.12
5.4.310.0100.07319.00
5.4.300.0100.06319.03
5.4.290.0130.07019.16
5.4.280.0100.03719.17
5.4.270.0030.04319.00
5.4.260.0170.06719.00
5.4.250.0130.06319.02
5.4.240.0070.06719.02
5.4.230.0030.07718.92
5.4.220.0030.07319.24
5.4.210.0030.06719.17
5.4.200.0000.04718.99
5.4.190.0130.05319.02
5.4.180.0200.06319.01
5.4.170.0070.07319.01
5.4.160.0200.06019.01
5.4.150.0100.07019.18
5.4.140.0000.07716.22
5.4.130.0070.07716.44
5.4.120.0030.07716.23
5.4.110.0030.08016.19
5.4.100.0100.07316.20
5.4.90.0030.05016.48
5.4.80.0100.07316.36
5.4.70.0000.05316.51
5.4.60.0030.07316.38
5.4.50.0070.06716.35
5.4.40.0100.07316.52
5.4.30.0070.06716.37
5.4.20.0100.07016.34
5.4.10.0030.07016.20
5.4.00.0070.03315.97
5.3.290.0130.06314.57
5.3.280.0100.05314.54
5.3.270.0070.04314.47
5.3.260.0070.07314.68
5.3.250.0030.06014.62
5.3.240.0100.07014.52
5.3.230.0100.07314.49
5.3.220.0130.06314.63
5.3.210.0130.06714.66
5.3.200.0070.07314.56
5.3.190.0070.07314.49
5.3.180.0070.08014.50
5.3.170.0030.07714.66
5.3.160.0100.07314.44
5.3.150.0100.07314.35
5.3.140.0030.07714.45
5.3.130.0170.05714.48
5.3.120.0030.08014.49
5.3.110.0030.07714.64
5.3.100.0100.06314.05
5.3.90.0070.07313.96
5.3.80.0070.04014.02
5.3.70.0100.07314.11
5.3.60.0130.04713.79
5.3.50.0070.07013.96
5.3.40.0100.07013.96
5.3.30.0130.06713.80
5.3.20.0070.08013.59
5.3.10.0070.07013.59
5.3.00.0070.04713.56
5.2.170.0100.05711.16
5.2.160.0030.05311.16
5.2.150.0030.04311.05
5.2.140.0100.06011.05
5.2.130.0100.05311.04
5.2.120.0070.05711.04
5.2.110.0030.03711.02
5.2.100.0000.04711.00
5.2.90.0100.05711.05
5.2.80.0030.04011.09
5.2.70.0030.06011.11
5.2.60.0100.06011.04
5.2.50.0070.05710.90
5.2.40.0000.05710.94
5.2.30.0070.06010.89
5.2.20.0070.05710.85
5.2.10.0030.06310.94
5.2.00.0030.03310.60
5.1.60.0000.0579.92
5.1.50.0070.0479.95
5.1.40.0030.0479.95
5.1.30.0000.06010.41
5.1.20.0030.04010.28
5.1.10.0030.0509.97
5.1.00.0030.0539.96
5.0.50.0100.0439.72
5.0.40.0030.0409.72
5.0.30.0070.0609.72
5.0.20.0000.0439.72
5.0.10.0070.0409.72
5.0.00.0000.0639.72
4.4.90.0070.0309.72
4.4.80.0000.0209.72
4.4.70.0030.0239.72
4.4.60.0000.0309.72
4.4.50.0070.0309.72
4.4.40.0000.0539.72
4.4.30.0070.0309.72
4.4.20.0030.0379.72
4.4.10.0000.0379.72
4.4.00.0030.0539.72
4.3.110.0030.0339.72
4.3.100.0100.0279.72
4.3.90.0000.0209.72
4.3.80.0000.0379.72
4.3.70.0030.0179.72
4.3.60.0030.0179.72
4.3.50.0000.0179.72
4.3.40.0000.0509.72
4.3.30.0030.0179.72
4.3.20.0030.0339.72
4.3.10.0070.0339.72
4.3.00.0000.0379.72

preferences:
37.07 ms | 401 KiB | 5 Q