3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mem = memory_get_usage(false); echo $mem . "\n\n"; $one = array(); $two = array(); $three = array(); $i = 0; $j = 0; $k = 0; $mem2 = memory_get_usage(false); echo $mem2 . ' (+' . ($mem2 - $mem) . ")\n\n"; $mem = $mem2; for($j = 0; $j < 100; $j++) { $two[] = (object) NULL; } $mem2 = memory_get_usage(false); echo $mem2 . ' (+' . ($mem2 - $mem) . ")\n\n"; $mem = $mem2; for($i = 0; $i < 100; $i++) { $one[] = new stdClass(); } $mem2 = memory_get_usage(false); echo $mem2 . ' (+' . ($mem2 - $mem) . ")\n\n"; $mem = $mem2; for($k = 0; $k < 100; $k++) { $three[] = new stdClass; } $mem2 = memory_get_usage(false); echo $mem2 . ' (+' . ($mem2 - $mem) . ")\n\n"; $mem = $mem2;

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)
7.4.00.0070.01214.74
7.3.120.0070.00814.88
7.3.110.0100.00714.87
7.3.100.0110.00814.77
7.3.90.0030.01214.86
7.3.80.0050.00714.69
7.3.70.0020.00914.99
7.3.60.0030.00714.96
7.3.50.0040.01014.80
7.3.40.0050.00814.84
7.3.30.0030.00814.80
7.3.20.0040.01116.56
7.3.10.0030.01016.66
7.3.00.0020.01116.63
7.2.250.0040.01215.10
7.2.240.0080.01115.19
7.2.230.0040.01015.18
7.2.220.0020.01215.00
7.2.210.0070.00915.03
7.2.200.0080.00615.04
7.2.190.0050.01014.92
7.2.180.0060.00915.02
7.2.170.0070.00815.15
7.2.160.0080.00614.68
7.2.150.0060.00916.75
7.2.140.0070.01316.70
7.2.130.0040.00916.93
7.2.120.0060.00816.95
7.2.110.0100.00516.87
7.2.100.0030.00917.03
7.2.90.0080.00616.90
7.2.80.0080.00317.03
7.2.70.0050.00516.93
7.2.60.0060.00617.02
7.2.50.0040.01016.86
7.2.40.0120.00316.99
7.2.30.0040.01017.00
7.2.20.0050.00516.93
7.2.10.0070.00616.95
7.2.00.0040.01017.79
7.1.330.0120.00515.70
7.1.320.0070.00715.99
7.1.310.0060.00815.96
7.1.300.0070.00415.70
7.1.290.0020.01315.81
7.1.280.0080.00615.70
7.1.270.0100.00515.95
7.1.260.0070.00615.73
7.1.250.0050.00715.83
7.1.240.0070.01015.68
7.1.230.0040.00915.89
7.1.220.0000.01015.64
7.1.210.0090.00315.82
7.1.200.0130.00315.53
7.1.190.0070.00715.89
7.1.180.0070.00715.84
7.1.170.0030.00915.81
7.1.160.0070.01015.93
7.1.150.0000.01715.91
7.1.140.0100.00315.68
7.1.130.0000.01315.55
7.1.120.0030.00915.74
7.1.110.0000.01315.86
7.1.100.0000.00915.93
7.1.90.0070.00715.77
7.1.80.0000.01015.85
7.1.70.0010.00716.33
7.1.60.0080.01217.62
7.1.50.0130.00816.21
7.1.40.0030.01015.61
7.1.30.0040.00716.00
7.1.20.0080.00415.97
7.1.10.0060.00615.93
7.1.00.0060.03919.03
7.0.330.0070.00715.22
7.0.320.0060.00615.41
7.0.310.0070.00715.39
7.0.300.0040.01115.50
7.0.290.0030.00915.15
7.0.280.0000.01015.27
7.0.270.0030.01215.45
7.0.260.0040.00815.57
7.0.250.0000.01115.36
7.0.240.0090.00015.35
7.0.230.0030.00715.25
7.0.220.0040.00815.30
7.0.210.0000.01015.58
7.0.200.0050.00916.22
7.0.190.0100.00615.12
7.0.180.0060.00815.44
7.0.170.0040.00715.47
7.0.160.0030.00915.50
7.0.150.0040.01115.54
7.0.140.0070.04218.74
7.0.130.0060.00315.45
7.0.120.0110.00315.60
7.0.110.0060.04317.77
7.0.100.0050.04617.72
7.0.90.0080.04317.69
7.0.80.0020.04117.88
7.0.70.0070.04317.66
7.0.60.0090.04517.72
7.0.50.0070.03317.90
7.0.40.0100.04016.82
7.0.30.0050.03016.91
7.0.20.0060.04416.86
7.0.10.0050.04716.76
7.0.00.0050.04616.86
5.6.400.0110.00614.49
5.6.390.0060.01014.71
5.6.380.0040.01114.72
5.6.370.0110.00414.80
5.6.360.0070.00714.70
5.6.350.0060.00914.30
5.6.340.0030.00914.76
5.6.330.0110.00414.47
5.6.320.0030.01114.39
5.6.310.0040.01214.66
5.6.300.0100.01014.38
5.6.290.0070.01314.64
5.6.280.0030.04317.82
5.6.270.0030.01014.39
5.6.260.0000.00914.57
5.6.250.0130.03817.59
5.6.240.0080.04517.80
5.6.230.0090.03017.51
5.6.220.0020.04817.56
5.6.210.0060.04517.59
5.6.200.0100.04117.70
5.6.190.0060.04117.96
5.6.180.0030.03817.93
5.6.170.0050.03217.96
5.6.160.0080.03317.72
5.6.150.0050.03617.90
5.6.140.0100.04717.70
5.6.130.0100.03817.76
5.6.120.0070.04417.80
5.6.110.0040.04517.68
5.6.100.0100.04217.92
5.6.90.0070.04517.81
5.6.80.0070.04717.40
5.6.70.0090.03917.60
5.6.60.0070.03917.46
5.6.50.0080.04217.59
5.6.40.0070.03817.53
5.6.30.0020.04617.59
5.6.20.0050.04917.31
5.6.10.0030.04317.40
5.6.00.0130.02517.36
5.5.380.0070.03817.53
5.5.370.0030.04817.55
5.5.360.0050.04917.57
5.5.350.0050.04717.37
5.5.340.0070.04317.70
5.5.330.0050.04717.71
5.5.320.0050.03217.66
5.5.310.0030.04817.59
5.5.300.0040.02317.70
5.5.290.0030.03717.62
5.5.280.0100.04217.73
5.5.270.0100.04117.73
5.5.260.0060.04317.80
5.5.250.0080.04517.44
5.5.240.0050.04317.29
5.5.230.0100.03917.36
5.5.220.0070.04417.37
5.5.210.0090.03517.17
5.5.200.0100.04417.16
5.5.190.0080.04017.33
5.5.180.0070.04217.35
5.5.170.0080.00314.52
5.5.160.0050.04517.45
5.5.150.0070.03717.26
5.5.140.0160.03517.21
5.5.130.0070.04117.41
5.5.120.0070.04217.35
5.5.110.0020.04917.19
5.5.100.0050.04617.15
5.5.90.0080.04117.26
5.5.80.0070.04117.39
5.5.70.0050.04017.30
5.5.60.0080.04017.28
5.5.50.0020.03017.29
5.5.40.0100.03317.23
5.5.30.0070.04217.31
5.5.20.0070.04217.20
5.5.10.0090.03817.39
5.5.00.0030.04717.31
5.4.450.0060.03915.72
5.4.440.0050.04615.77
5.4.430.0010.02915.69
5.4.420.0050.03715.69
5.4.410.0080.03715.63
5.4.400.0070.04015.56
5.4.390.0080.03715.52
5.4.380.0020.03915.47
5.4.370.0060.04115.62
5.4.360.0020.04315.47
5.4.350.0050.04215.44
5.4.340.0050.04015.47
5.4.330.0050.00311.94
5.4.320.0030.02915.48
5.4.310.0130.03815.45
5.4.300.0020.04215.49
5.4.290.0060.03315.53
5.4.280.0120.02015.47
5.4.270.0050.03615.48
5.4.260.0050.03915.48
5.4.250.0050.03715.47
5.4.240.0050.04015.47
5.4.230.0140.01815.47
5.4.220.0050.03215.48
5.4.210.0030.04215.52
5.4.200.0070.02215.67
5.4.190.0090.03615.52
5.4.180.0050.03515.48
5.4.170.0050.02215.50
5.4.160.0020.04615.49
5.4.150.0050.02715.55
5.4.140.0050.03814.21
5.4.130.0050.04014.24
5.4.120.0050.03514.11
5.4.110.0020.02014.14
5.4.100.0050.03714.18
5.4.90.0030.04014.14
5.4.80.0120.03314.13
5.4.70.0080.03114.25
5.4.60.0080.02214.17
5.4.50.0030.02414.22
5.4.40.0030.02514.10
5.4.30.0100.01714.23
5.4.20.0070.01814.19
5.4.10.0050.01914.16
5.4.00.0050.02413.98
5.3.290.0080.03313.33
5.3.280.0100.04313.22
5.3.270.0030.04313.31
5.3.260.0050.04013.37
5.3.250.0050.03213.28
5.3.240.0030.04213.33
5.3.230.0020.02713.34
5.3.220.0030.02613.35
5.3.210.0060.03113.27
5.3.200.0060.03613.25
5.3.190.0070.04013.26
5.3.180.0100.03813.35
5.3.170.0050.04113.24
5.3.160.0020.02813.35
5.3.150.0050.02713.37
5.3.140.0020.02213.35
5.3.130.0030.02313.36
5.3.120.0030.02313.28
5.3.110.0020.02313.26
5.3.100.0000.02313.00
5.3.90.0080.01512.97
5.3.80.0030.02013.07
5.3.70.0050.02013.01
5.3.60.0030.02213.00
5.3.50.0030.02312.93
5.3.40.0020.02412.93
5.3.30.0030.02912.90
5.3.20.0030.02012.80
5.3.10.0010.02112.82
5.3.00.0040.02212.86
5.2.170.0030.03311.19
5.2.160.0030.02711.20
5.2.150.0000.03011.05
5.2.140.0000.03011.20
5.2.130.0030.02711.38
5.2.120.0000.04711.29
5.2.110.0000.03011.13
5.2.100.0000.03011.01
5.2.90.0030.03011.23
5.2.80.0030.02711.11
5.2.70.0070.03311.11
5.2.60.0030.05311.24
5.2.50.0030.05711.08
5.2.40.0000.06011.05
5.2.30.0100.05311.16
5.2.20.0030.03011.00
5.2.10.0000.04310.96
5.2.00.0000.04310.67
5.1.60.0030.03710.27
5.1.50.0000.02310.27
5.1.40.0070.02010.27
5.1.30.0070.02710.43
5.1.20.0000.03710.30
5.1.10.0000.02310.27
5.1.00.0000.02710.27
5.0.50.0000.03010.27
5.0.40.0000.02010.27
5.0.30.0000.03310.27
5.0.20.0000.02310.27
5.0.10.0000.02310.27
5.0.00.0030.02710.27
4.4.90.0030.01710.27
4.4.80.0030.03310.27
4.4.70.0000.03310.27
4.4.60.0000.01710.27
4.4.50.0000.03310.27
4.4.40.0000.02310.27
4.4.30.0000.03010.27
4.4.20.0000.01710.27
4.4.10.0000.02310.27
4.4.00.0000.02310.27
4.3.110.0000.01710.27
4.3.100.0000.01310.27
4.3.90.0000.01710.27
4.3.80.0000.03310.27
4.3.70.0030.02710.27
4.3.60.0030.02310.27
4.3.50.0000.02310.27
4.3.40.0000.02310.27
4.3.30.0000.01710.27
4.3.20.0000.01310.27
4.3.10.0000.01310.27
4.3.00.0000.03010.27

preferences:
34.4 ms | 401 KiB | 5 Q