3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['foo'=>1]; $last = $current = memory_get_usage(); foreach($array as $k=>&$v) { $last = $current; $current = memory_get_usage(); echo "Diff is " . ($current - $last) . "\n"; $array['baz']=3; $last = $current; $current = memory_get_usage(); echo "Diff is " . ($current - $last) . "\n"; echo $v . "\n"; }

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)
7.4.10.0070.01114.91
7.4.00.0070.01114.97
7.3.130.0100.00714.72
7.3.120.0100.00914.72
7.3.110.0100.00614.84
7.3.100.0070.00814.76
7.3.90.0050.01014.96
7.3.80.0080.00614.96
7.3.70.0040.00814.88
7.3.60.0040.01014.76
7.3.50.0060.00714.75
7.3.40.0080.00614.80
7.3.30.0050.00714.78
7.3.20.0090.00416.72
7.3.10.0070.00716.52
7.3.00.0100.00716.50
7.2.260.0100.01014.96
7.2.250.0060.01214.91
7.2.240.0050.01115.03
7.2.230.0080.00814.92
7.2.220.0060.01015.06
7.2.210.0070.00815.04
7.2.200.0040.01114.92
7.2.190.0020.01214.92
7.2.180.0060.00714.96
7.2.170.0040.01015.02
7.2.160.0050.00714.94
7.2.150.0030.00916.97
7.2.140.0060.00716.85
7.2.130.0090.00716.95
7.2.120.0080.00716.86
7.2.110.0080.00916.70
7.2.100.0070.00916.81
7.2.90.0060.00716.82
7.2.80.0090.00716.75
7.2.70.0070.01116.81
7.2.60.0090.00916.84
7.2.50.0080.00716.69
7.2.40.0070.00816.85
7.2.30.0070.00916.94
7.2.20.0090.00816.80
7.2.10.0070.00816.89
7.2.00.0050.00717.34
7.1.330.0030.01115.82
7.1.320.0070.00415.61
7.1.310.0050.00815.81
7.1.300.0050.00815.76
7.1.290.0050.00715.73
7.1.280.0100.00415.70
7.1.270.0060.00815.86
7.1.260.0080.00515.85
7.1.250.0040.00915.58
7.1.240.0080.00815.85
7.1.230.0030.00915.54
7.1.220.0090.00315.80
7.1.210.0040.00715.70
7.1.200.0060.00615.85
7.1.190.0030.00615.98
7.1.180.0100.00315.83
7.1.170.0080.00315.80
7.1.160.0000.01215.69
7.1.150.0030.00615.48
7.1.140.0130.00015.81
7.1.130.0000.00815.57
7.1.120.0060.00615.55
7.1.110.0040.00815.97
7.1.100.0030.00915.95
7.1.90.0060.00615.82
7.1.80.0040.01115.74
7.1.70.0040.00616.63
7.1.60.0050.01417.76
7.1.50.0050.01116.28
7.1.40.0030.00716.00
7.1.30.0070.00715.95
7.1.20.0070.00715.78
7.1.10.0000.01215.75
7.1.00.0050.04019.21
7.0.330.0030.01015.47
7.0.320.0030.00915.48
7.0.310.0070.00315.43
7.0.300.0000.01415.60
7.0.290.0080.00015.13
7.0.280.0070.00415.41
7.0.270.0060.00315.29
7.0.260.0040.00815.14
7.0.250.0030.01015.56
7.0.240.0080.00615.29
7.0.230.0070.01015.49
7.0.220.0030.00515.47
7.0.210.0000.01115.49
7.0.200.0060.00616.05
7.0.190.0040.00415.49
7.0.180.0000.01415.48
7.0.170.0060.00615.49
7.0.160.0050.00315.64
7.0.150.0030.00715.39
7.0.140.0020.04318.71
7.0.130.0060.00915.45
7.0.120.0040.00815.48
7.0.110.0100.00315.46
7.0.100.0040.00815.47
7.0.90.0030.01015.57
7.0.80.0050.00515.51
7.0.70.0070.00415.54
7.0.60.0030.04117.70
7.0.50.0070.02416.61
7.0.40.0050.04016.90
7.0.30.0250.04016.78
7.0.20.0230.03116.70
7.0.10.0150.02516.85
7.0.00.0050.04716.78
5.6.400.0030.00914.39
5.6.390.0060.00614.51
5.6.380.0070.00714.57
5.6.370.0080.00814.41
5.6.360.0090.00614.09
5.6.350.0030.00914.64
5.6.340.0090.00014.77
5.6.330.0040.00714.64
5.6.320.0100.00314.61
5.6.310.0090.00314.63
5.6.300.0000.01014.39
5.6.290.0040.00814.39
5.6.280.0110.00014.66
5.6.270.0030.00614.23
5.6.260.0070.00714.64
5.6.250.0030.01014.40
5.6.240.0030.00914.34
5.6.230.0040.01114.18
5.6.220.0040.00714.26
5.6.210.0050.02717.55
5.6.200.0080.02516.42
5.6.190.0120.02317.56
5.6.180.2100.02817.52
5.6.170.0130.02817.49
5.6.160.0070.03917.38
5.6.150.0070.03116.45
5.6.140.0070.04216.28
5.6.130.0090.04616.36
5.6.120.0060.04417.66
5.6.110.0130.03817.67
5.6.100.0080.03017.80
5.6.90.0080.04517.94
5.6.80.0080.02217.47
5.6.70.0220.03717.29
5.6.60.0080.00414.19
5.6.50.0030.01314.13
5.6.40.0030.01014.64
5.6.30.0060.00314.46
5.6.20.0050.00514.27
5.6.10.0040.00714.32
5.6.00.0040.00714.09
5.5.380.0080.00314.60
5.5.370.0030.01014.32
5.5.360.0030.00514.50
5.5.350.0020.02617.37
5.5.340.0050.04216.31
5.5.330.0070.02317.21
5.5.320.0120.04417.37
5.5.310.0130.04317.26
5.5.300.0020.04616.26
5.5.290.0030.03716.19
5.5.280.0050.04417.70
5.5.270.0090.04417.72
5.5.260.0070.04517.44
5.5.250.0070.04317.35
5.5.240.0020.05117.18
5.5.230.0070.00714.45
5.5.220.0030.00614.04
5.5.210.0070.00314.52
5.5.200.0000.01314.43
5.5.190.0030.01014.51
5.5.180.0070.00314.18
5.5.170.0030.00614.19
5.5.160.0000.01114.64
5.5.150.0100.00314.23
5.5.140.0030.01014.29
5.5.130.0040.00814.34
5.5.120.0120.00014.08
5.5.110.0060.00614.20
5.5.100.0120.00314.20
5.5.90.0090.00914.55
5.5.80.0070.00714.36
5.5.70.0000.00914.20
5.5.60.0070.00713.95
5.5.50.0030.01014.10
5.5.40.0000.01314.29
5.5.30.0080.00014.59
5.5.20.0000.00914.43
5.5.10.0030.00714.07
5.5.00.0120.00414.07
5.4.450.0300.03415.83
5.4.440.0340.03615.88
5.4.430.0130.02815.85
5.4.420.0050.03315.81
5.4.410.0170.02315.80
5.4.400.0150.02015.48
5.4.390.0120.02415.46
5.4.380.0180.02815.38
5.4.370.0150.02515.45
5.4.360.0080.03215.49
5.4.350.0130.02715.42
5.4.340.0130.02515.48
5.4.330.0100.00312.18
5.4.320.0080.01912.32
5.4.310.0070.02412.32
5.4.300.0040.02812.32
5.4.290.0030.02512.31
5.4.280.0050.02312.27
5.4.270.0120.03415.51
5.4.260.0100.02815.54
5.4.250.0130.03215.50
5.4.240.0070.03915.48
5.4.230.0080.04315.49
5.4.220.0120.03015.51
5.4.210.0080.03015.49
5.4.200.0070.04015.54
5.4.190.0070.03815.54
5.4.180.0090.03415.47
5.4.170.0080.04115.52
5.4.160.0050.03315.54
5.4.150.0070.04115.48
5.4.140.0080.04014.26
5.4.130.0070.03714.36
5.4.120.0050.03314.34
5.4.110.0100.03214.37
5.4.100.0070.03214.19
5.4.90.0120.02714.25
5.4.80.0130.02014.36
5.4.70.0070.04014.39
5.4.60.0120.03914.23
5.4.50.0050.03414.39
5.4.40.0050.03014.31
5.4.30.0100.03314.28
5.4.20.0100.03014.39
5.4.10.0120.03714.34
5.4.00.0050.03714.05
5.3.290.0040.02412.49
5.3.280.0070.03913.44
5.3.270.0080.03713.46
5.3.260.0100.03613.43
5.3.250.0080.03113.47
5.3.240.0070.04213.42
5.3.230.0100.03813.38
5.3.220.0070.04613.40
5.3.210.0050.03713.42
5.3.200.0090.03813.45
5.3.190.0100.03313.36
5.3.180.0140.03013.46
5.3.170.0080.03713.43
5.3.160.0120.02913.40
5.3.150.0100.02713.28
5.3.140.0100.03213.41
5.3.130.0070.04013.36
5.3.120.0100.02813.43
5.3.110.0140.02613.42
5.3.100.0060.03613.18
5.3.90.0030.04213.10
5.3.80.0030.04213.13
5.3.70.0100.02813.14
5.3.60.0090.03513.11
5.3.50.0060.02913.15
5.3.40.0090.03213.06
5.3.30.0160.01513.14
5.3.20.0050.03612.84
5.3.10.0020.03012.86
5.3.00.0030.03612.99
5.2.170.0130.04711.13
5.2.160.0130.04711.37
5.2.150.0100.04311.35
5.2.140.0030.06311.18
5.2.130.0000.04311.02
5.2.120.0100.05310.99
5.2.110.0070.04311.33
5.2.100.0070.04011.25
5.2.90.0100.04311.22
5.2.80.0030.05711.23
5.2.70.0100.05311.24
5.2.60.0070.06011.16
5.2.50.0170.04711.23
5.2.40.0130.04711.13
5.2.30.0130.05011.02
5.2.20.0170.04311.18
5.2.10.0070.04711.03
5.2.00.0130.04310.98
5.1.60.0100.0479.86
5.1.50.0170.02310.02
5.1.40.0030.04010.06
5.1.30.0100.04310.32
5.1.20.0130.04010.61
5.1.10.0070.03310.14
5.1.00.0130.03310.15
5.0.50.0030.0308.59
5.0.40.0030.0378.30
5.0.30.0130.0538.54
5.0.20.0130.0278.18
5.0.10.0070.0338.24
5.0.00.0100.0508.14
4.4.90.0000.0337.43
4.4.80.0000.0337.43
4.4.70.0030.0207.43
4.4.60.0100.0137.43
4.4.50.0030.0337.43
4.4.40.0070.0307.43
4.4.30.0100.0207.43
4.4.20.0000.0337.43
4.4.10.0030.0307.43
4.4.00.0030.0377.43
4.3.110.0030.0307.43
4.3.100.0030.0307.43
4.3.90.0030.0207.43
4.3.80.0030.0337.43
4.3.70.0100.0207.43
4.3.60.0100.0237.43
4.3.50.0070.0177.43
4.3.40.0000.0407.43
4.3.30.0030.0207.43
4.3.20.0000.0337.43
4.3.10.0030.0207.43
4.3.00.0170.0236.47

preferences:
35 ms | 401 KiB | 5 Q