3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [1,2,3]; var_dump(memory_get_usage()); foreach ($arr as $k => $v) { var_dump(memory_get_usage()); if (!isset($arr[$k])) { var_dump(memory_get_usage()); } } var_dump(key($arr));

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)
7.3.10.0060.01016.65
7.3.00.0130.00316.50
7.2.130.0080.00416.78
7.2.120.0070.00416.61
7.2.110.0070.00716.77
7.2.100.0090.00616.64
7.2.90.0000.01216.87
7.2.80.0030.01416.96
7.2.70.0000.01516.95
7.2.60.0030.01316.86
7.2.50.0030.00917.00
7.2.40.0070.01016.56
7.2.30.0000.01116.81
7.2.20.0040.00717.03
7.2.10.0030.00716.88
7.2.00.0050.01018.00
7.1.250.0080.00415.90
7.1.240.0090.00615.64
7.1.230.0000.00915.87
7.1.220.0090.00615.71
7.1.210.0030.01015.61
7.1.200.0000.00715.72
7.1.190.0060.00915.61
7.1.180.0070.00715.88
7.1.170.0070.00715.77
7.1.160.0160.00015.88
7.1.150.0090.00915.49
7.1.140.0040.00815.82
7.1.130.0050.00515.62
7.1.120.0030.00915.68
7.1.110.0050.00515.86
7.1.100.0090.00315.95
7.1.90.0070.00715.88
7.1.80.0030.01315.56
7.1.70.0060.00316.63
7.1.60.0090.01117.56
7.1.50.0120.00316.21
7.1.40.0030.00615.65
7.1.30.0090.00315.55
7.1.20.0070.00715.48
7.1.10.0030.01015.56
7.1.00.0050.04219.09
7.0.330.0030.00615.17
7.0.320.0070.00715.47
7.0.310.0060.00615.06
7.0.300.0030.01115.53
7.0.290.0090.00315.14
7.0.280.0030.00715.29
7.0.270.0080.00415.48
7.0.260.0070.00715.61
7.0.250.0080.00015.51
7.0.240.0000.01415.38
7.0.230.0030.00615.57
7.0.220.0070.00715.57
7.0.210.0000.01415.47
7.0.200.0040.00916.07
7.0.190.0130.00015.48
7.0.180.0000.01415.14
7.0.170.0080.00015.38
7.0.160.0060.00315.16
7.0.150.0030.00615.18
7.0.140.0000.04718.88
7.0.130.0040.00415.50
7.0.120.0000.01315.45
7.0.110.0060.01015.48
7.0.100.0020.03117.77
7.0.90.0050.03217.63
7.0.80.0020.03617.50
7.0.70.0050.02317.71
7.0.60.0050.03317.59
7.0.50.0150.02717.94
7.0.40.0050.02916.61
7.0.30.0070.03716.82
7.0.20.0100.02816.78
7.0.10.0150.02516.82
7.0.00.0030.03216.64
5.6.380.0060.00314.35
5.6.370.0000.00814.52
5.6.360.0030.00514.22
5.6.350.0110.00414.06
5.6.340.0080.00514.35
5.6.330.0000.01413.76
5.6.320.0070.00713.85
5.6.310.0080.00414.52
5.6.300.0080.00414.18
5.6.290.0040.00713.95
5.6.280.0030.04117.55
5.6.270.0060.00614.31
5.6.260.0000.00914.44
5.6.250.0050.04117.39
5.6.240.0090.03717.62
5.6.230.0070.02917.35
5.6.220.0090.03217.35
5.6.210.0060.02617.33
5.6.200.0100.02017.58
5.6.190.0110.02517.79
5.6.180.0100.03117.58
5.6.170.0050.02717.80
5.6.160.0050.02817.71
5.6.150.0090.03817.61
5.6.140.0070.02417.58
5.6.130.0070.03317.63
5.6.120.0050.03517.53
5.6.110.0050.03517.46
5.6.100.0070.02917.71
5.6.90.0090.02517.78
5.6.80.0050.03017.24
5.6.70.0070.02717.38
5.6.60.0140.02717.31
5.6.50.0030.02617.20
5.6.40.0070.03017.31
5.6.30.0080.02717.29
5.6.20.0050.02817.29
5.6.10.0060.02317.50
5.6.00.0100.04217.28
5.5.380.0080.03115.68
5.5.370.0050.03115.62
5.5.360.0040.03215.75
5.5.350.0070.04315.63
5.5.340.0020.03215.79
5.5.330.0090.02915.94
5.5.320.0080.02315.89
5.5.310.0000.03015.79
5.5.300.0000.03216.03
5.5.290.0030.03716.04
5.5.280.0080.02815.73
5.5.270.0150.01715.84
5.5.260.0000.04715.81
5.5.250.0170.02415.89
5.5.240.0100.02815.66
5.5.230.0020.03815.66
5.5.220.0110.01515.56
5.5.210.0050.02515.50
5.5.200.0000.03715.50
5.5.190.0020.02515.47
5.5.180.0060.02815.51
5.5.170.0000.01110.83
5.5.160.0130.03515.60
5.5.150.0020.03315.46
5.5.140.0120.03215.44
5.5.130.0080.02015.50
5.5.120.0120.03215.65
5.5.110.0030.04615.34
5.5.100.0020.04115.43
5.5.90.0030.02215.65
5.5.80.0080.03715.63
5.5.70.0090.02215.55
5.5.60.0050.03115.30
5.5.50.0070.03215.69
5.5.40.0110.02515.40
5.5.30.0060.02315.32
5.5.20.0060.02415.50
5.5.10.0050.02315.43
5.5.00.0000.03215.45
5.4.450.0020.02815.03
5.4.440.0080.03615.01
5.4.430.0050.03615.15
5.4.420.0030.02815.21
5.4.410.0020.02515.19
5.4.400.0030.03414.95
5.4.390.0050.02614.91
5.4.380.0050.02814.92
5.4.370.0070.04014.84
5.4.360.0020.03414.96
5.4.350.0010.02614.83
5.4.340.0050.03314.82
5.4.330.0060.00611.03
5.4.320.0050.02414.94
5.4.310.0030.04014.83
5.4.300.0060.03315.02
5.4.290.0030.02315.02
5.4.280.0070.02615.12
5.4.270.0070.03715.04
5.4.260.0070.02514.73
5.4.250.0070.02514.88
5.4.240.0100.01514.99
5.4.230.0060.02615.00
5.4.220.0030.02515.04
5.4.210.0030.03314.83
5.4.200.0070.03614.78
5.4.190.0030.03314.86
5.4.180.0020.02315.12
5.4.170.0100.01814.88
5.4.160.0030.02914.80
5.4.150.0050.02314.93
5.4.140.0030.02013.61
5.4.130.0100.02513.44
5.4.120.0020.02513.61
5.4.110.0080.03313.79
5.4.100.0060.03013.50
5.4.90.0100.02013.55
5.4.80.0050.02113.65
5.4.70.0050.03013.73
5.4.60.0040.03013.68
5.4.50.0050.03213.60
5.4.40.0090.03413.60
5.4.30.0060.03513.79
5.4.20.0030.02713.45
5.4.10.0060.02513.48
5.4.00.0070.02613.18
5.3.290.0070.04012.43
5.3.280.0090.02012.36
5.3.270.0080.02712.36
5.3.260.0060.03012.38
5.3.250.0020.02912.36
5.3.240.0070.02312.42
5.3.230.0050.02912.43
5.3.220.0050.02212.40
5.3.210.0080.02312.33
5.3.200.0020.04112.38
5.3.190.0030.03512.39
5.3.180.0050.02712.32
5.3.170.0040.02512.43
5.3.160.0020.02712.32
5.3.150.0070.03212.41
5.3.140.0070.02112.44
5.3.130.0100.02112.40
5.3.120.0030.02612.33
5.3.110.0020.03812.44
5.3.100.0000.02512.08
5.3.90.0020.03612.08
5.3.80.0070.04012.06
5.3.70.0070.03712.10
5.3.60.0030.03712.12
5.3.50.0080.03812.09
5.3.40.0070.03512.07
5.3.30.0020.02812.08
5.3.20.0020.02411.86
5.3.10.0050.02811.85
5.3.00.0040.03111.93
5.2.170.0080.03210.70
5.2.160.0130.01610.71
5.2.150.0050.02710.67
5.2.140.0050.02310.61
5.2.130.0030.03210.58
5.2.120.0000.03310.58
5.2.110.0040.01810.64
5.2.100.0060.01510.69
5.2.90.0050.03010.59
5.2.80.0030.03010.71
5.2.70.0060.02610.61
5.2.60.0070.02810.63
5.2.50.0060.03310.62
5.2.40.0060.02810.61
5.2.30.0020.03710.52
5.2.20.0020.03210.63
5.2.10.0030.03010.59
5.2.00.0080.02210.51
5.1.60.0030.02110.36
5.1.50.0030.03010.36
5.1.40.0080.01810.36
5.1.30.0020.03010.36
5.1.20.0030.02210.36
5.1.10.0060.02510.36
5.1.00.0030.02310.36
5.0.50.0000.02210.36
5.0.40.0000.02210.36
5.0.30.0020.02410.36
5.0.20.0000.01610.36
5.0.10.0000.02510.36
5.0.00.0110.02310.36
4.4.90.0010.01010.36
4.4.80.0020.02010.36
4.4.70.0070.01710.36
4.4.60.0030.01510.36
4.4.50.0030.01510.36
4.4.40.0020.02210.36
4.4.30.0000.02010.36
4.4.20.0020.02010.36
4.4.10.0030.01310.36
4.4.00.0010.02110.36
4.3.110.0020.01610.36
4.3.100.0020.01010.36
4.3.90.0050.00810.36
4.3.80.0020.02510.36
4.3.70.0030.01510.36
4.3.60.0030.01410.36
4.3.50.0000.01810.36
4.3.40.0010.02010.36
4.3.30.0010.01510.36
4.3.20.0050.01010.36
4.3.10.0030.01510.36
4.3.00.0020.01710.36

preferences:
32.05 ms | 401 KiB | 5 Q