3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mem = memory_get_usage(false); echo $mem . '<br/>'; $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)
7.4.10.0100.00714.82
7.4.00.0040.01415.21
7.3.130.0070.01315.04
7.3.120.0060.01014.93
7.3.110.0120.00614.96
7.3.100.0040.00814.67
7.3.90.0060.00814.85
7.3.80.0090.01214.71
7.3.70.0030.01014.69
7.3.60.0000.01514.73
7.3.50.0030.00614.62
7.3.40.0030.00914.52
7.3.30.0150.00014.99
7.3.20.0090.00616.57
7.3.10.0050.00816.41
7.3.00.0140.00016.47
7.2.260.0030.01214.68
7.2.250.0100.00715.40
7.2.240.0000.01514.97
7.2.230.0000.01515.24
7.2.220.0070.00314.71
7.2.210.0100.00315.02
7.2.200.0080.00414.77
7.2.190.0130.00315.13
7.2.180.0030.00715.05
7.2.170.0070.00715.06
7.2.160.0060.01014.79
7.2.150.0030.01016.82
7.2.140.0090.00416.94
7.2.130.0100.00516.83
7.2.120.0070.00816.76
7.2.110.0050.01016.84
7.2.100.0050.00916.76
7.2.90.0070.00616.77
7.2.80.0090.00616.72
7.2.70.0090.00716.90
7.2.60.0080.00816.78
7.2.50.0060.00616.57
7.2.40.0020.01016.87
7.2.30.0040.00816.97
7.2.20.0040.00616.86
7.2.10.0070.00716.92
7.2.00.0060.00617.65
7.1.330.0060.00615.40
7.1.320.0060.01515.50
7.1.310.0070.00715.59
7.1.300.0000.01415.55
7.1.290.0060.00315.46
7.1.280.0030.01315.93
7.1.270.0000.01315.53
7.1.260.0040.01115.93
7.1.250.0050.00615.55
7.1.240.0000.01515.36
7.1.230.0030.00615.42
7.1.220.0060.00615.40
7.1.210.0000.01215.75
7.1.200.0070.01015.78
7.1.190.0090.00615.75
7.1.180.0090.00615.88
7.1.170.0000.01115.80
7.1.160.0030.01215.51
7.1.150.0070.00715.87
7.1.140.0060.00315.93
7.1.130.0000.01015.82
7.1.120.0040.01115.78
7.1.110.0080.00615.81
7.1.100.0090.00615.77
7.1.90.0080.00815.72
7.1.80.0060.00615.61
7.1.70.0050.00616.47
7.1.60.0100.01017.60
7.1.50.0050.00916.30
7.1.40.0070.00815.75
7.1.30.0120.00015.88
7.1.20.0040.01115.75
7.1.10.0000.01515.59
7.1.00.0030.02319.07
7.0.330.0160.00015.21
7.0.320.0030.00515.38
7.0.310.0060.00615.39
7.0.300.0040.00715.27
7.0.290.0080.00615.21
7.0.280.0060.00615.30
7.0.270.0040.01115.39
7.0.260.0030.01015.44
7.0.250.0060.00915.19
7.0.240.0070.00715.14
7.0.230.0070.01115.43
7.0.220.0030.00915.42
7.0.210.0090.00415.33
7.0.200.0170.00715.84
7.0.190.0000.01115.04
7.0.180.0080.00415.54
7.0.170.0000.00915.09
7.0.160.0040.00815.05
7.0.150.0050.00515.28
7.0.140.0030.04018.63
7.0.130.0070.00315.25
7.0.120.0060.00915.47
7.0.110.0000.01415.24
7.0.100.0080.02217.58
7.0.90.0110.04017.68
7.0.80.0070.02917.70
7.0.70.0050.02517.60
7.0.60.0080.03217.73
7.0.50.0020.03917.78
7.0.40.0070.04216.66
7.0.30.0050.04216.51
7.0.20.0050.03316.81
7.0.10.0050.02716.67
7.0.00.0060.04316.71
5.6.400.0070.00714.18
5.6.390.0110.00414.53
5.6.380.0000.01214.36
5.6.370.0000.00914.21
5.6.360.0030.01014.45
5.6.350.0030.00914.59
5.6.340.0090.00014.77
5.6.330.0030.01014.66
5.6.320.0070.01314.46
5.6.310.0110.00414.69
5.6.300.0030.00614.50
5.6.290.0120.00314.23
5.6.280.0080.03717.81
5.6.270.0070.01014.28
5.6.260.0110.00414.28
5.6.250.0130.03817.62
5.6.240.0070.04017.55
5.6.230.0060.03817.56
5.6.220.0050.02617.52
5.6.210.0050.02817.37
5.6.200.0090.02617.73
5.6.190.0030.04717.75
5.6.180.0110.04017.76
5.6.170.0050.02917.77
5.6.160.0110.03817.76
5.6.150.0100.03017.82
5.6.140.0070.03117.65
5.6.130.0070.03817.71
5.6.120.0060.04017.55
5.6.110.0080.03017.77
5.6.100.0170.03717.61
5.6.90.0100.04317.64
5.6.80.0070.04717.39
5.6.70.0070.05017.35
5.6.60.0060.04317.12
5.6.50.0030.02517.46
5.6.40.0070.02617.29
5.6.30.0090.01817.36
5.6.20.0050.02517.32
5.6.10.0060.02217.30
5.6.00.0040.02817.38
5.5.380.0070.02417.43
5.5.370.0100.03717.46
5.5.360.0020.03617.36
5.5.350.0060.02617.39
5.5.340.0080.02717.58
5.5.330.0050.04317.51
5.5.320.0100.04317.56
5.5.310.0080.03917.65
5.5.300.0060.02917.58
5.5.290.0080.03917.54
5.5.280.0050.04717.59
5.5.270.0050.05017.42
5.5.260.0030.03417.58
5.5.250.0050.04817.36
5.5.240.0050.03117.20
5.5.230.0050.04917.25
5.5.220.0100.04116.90
5.5.210.0030.03017.01
5.5.200.0050.03417.29
5.5.190.0070.04017.29
5.5.180.0020.02617.08
5.5.170.0060.00614.12
5.5.160.0030.02717.27
5.5.150.0030.02417.21
5.5.140.0050.02417.16
5.5.130.0030.02717.18
5.5.120.0060.02317.10
5.5.110.0080.04217.18
5.5.100.0040.02517.26
5.5.90.0070.03516.98
5.5.80.0020.03917.21
5.5.70.0080.02317.20
5.5.60.0030.02417.13
5.5.50.0100.01816.98
5.5.40.0020.02417.08
5.5.30.0090.01717.26
5.5.20.0000.02617.25
5.5.10.0080.01816.94
5.5.00.0100.03216.98
5.4.450.0020.04415.09
5.4.440.0050.03915.34
5.4.430.0070.04515.18
5.4.420.0080.03315.17
5.4.410.0100.03815.36
5.4.400.0050.03314.95
5.4.390.0110.03615.02
5.4.380.0100.03815.13
5.4.370.0070.03515.03
5.4.360.0050.02314.93
5.4.350.0040.04114.89
5.4.340.0070.02215.15
5.4.330.0000.01310.85
5.4.320.0020.02315.23
5.4.310.0060.02015.18
5.4.300.0020.02715.16
5.4.290.0020.02515.01
5.4.280.0040.02214.95
5.4.270.0050.02214.97
5.4.260.0020.04215.14
5.4.250.0060.01814.92
5.4.240.0050.02715.20
5.4.230.0030.02415.09
5.4.220.0070.02314.99
5.4.210.0000.02515.02
5.4.200.0030.02314.93
5.4.190.0020.02614.89
5.4.180.0070.02115.04
5.4.170.0020.02414.92
5.4.160.0030.02215.10
5.4.150.0030.02314.98
5.4.140.0050.02013.85
5.4.130.0040.01913.77
5.4.120.0070.02013.78
5.4.110.0050.01713.74
5.4.100.0060.01713.54
5.4.90.0080.01813.67
5.4.80.0050.02013.61
5.4.70.0050.02013.79
5.4.60.0050.03813.69
5.4.50.0030.02113.84
5.4.40.0070.01913.71
5.4.30.0030.02013.63
5.4.20.0020.02013.87
5.4.10.0060.01813.75
5.4.00.0030.02213.33
5.3.290.0070.01812.73
5.3.280.0050.02712.69
5.3.270.0060.01912.68
5.3.260.0030.02312.51
5.3.250.0050.02212.68
5.3.240.0030.02012.55
5.3.230.0030.02312.71
5.3.220.0030.02312.58
5.3.210.0020.02412.52
5.3.200.0000.02612.44
5.3.190.0030.02012.53
5.3.180.0080.01812.71
5.3.170.0030.02112.68
5.3.160.0030.02312.66
5.3.150.0070.01512.60
5.3.140.0070.02012.47
5.3.130.0060.02012.63
5.3.120.0070.01812.61
5.3.110.0070.01712.58
5.3.100.0030.02512.24
5.3.90.0070.02812.19
5.3.80.0040.02012.17
5.3.70.0020.02012.17
5.3.60.0020.02112.31
5.3.50.0070.01312.16
5.3.40.0070.04512.23
5.3.30.0060.02012.32
5.3.20.0050.02312.05
5.3.10.0020.03812.02
5.3.00.0050.03711.97
5.2.170.0000.03311.25
5.2.160.0030.02711.25
5.2.150.0030.02311.33
5.2.140.0030.03711.21
5.2.130.0030.05011.13
5.2.120.0070.06011.09
5.2.110.0000.04311.21
5.2.100.0070.05711.16
5.2.90.0200.04711.18
5.2.80.0030.06011.05
5.2.70.0070.06011.18
5.2.60.0070.05311.08
5.2.50.0000.06711.05
5.2.40.0000.03311.03
5.2.30.0070.06011.01
5.2.20.0070.04711.10
5.2.10.0000.06010.98
5.2.00.0070.05710.74
5.1.60.0030.03010.07
5.1.50.0030.03010.04
5.1.40.0000.0309.99
5.1.30.0030.03010.38
5.1.20.0030.06010.31
5.1.10.0030.0309.94
5.1.00.0030.05010.07
5.0.50.0030.0408.59
5.0.40.0070.0308.51
5.0.30.0000.0478.23
5.0.20.0030.0278.27
5.0.10.0100.0208.21
5.0.00.0100.0508.24
4.4.90.0030.0137.30
4.4.80.0070.0307.30
4.4.70.0030.0337.30
4.4.60.0030.0337.30
4.4.50.0000.0337.30
4.4.40.0070.0237.30
4.4.30.0030.0337.30
4.4.20.0030.0377.30
4.4.10.0070.0337.30
4.4.00.0030.0377.30
4.3.110.0030.0337.30
4.3.100.0030.0307.30
4.3.90.0030.0337.30
4.3.80.0030.0537.30
4.3.70.0000.0377.30
4.3.60.0000.0377.30
4.3.50.0000.0377.30
4.3.40.0100.0207.30
4.3.30.0000.0377.30
4.3.20.0000.0237.30
4.3.10.0000.0207.30
4.3.00.0000.0377.30

preferences:
35.83 ms | 400 KiB | 5 Q