3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); $b = &$a; foreach($a as $v) { echo "$v\n"; unset($a[1]); } var_dump($a);

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)
8.3.60.0100.00716.63
8.3.50.0180.00521.99
8.3.40.0090.00618.54
8.3.30.0110.01118.58
8.3.20.0140.00020.35
8.3.10.0080.00023.66
8.3.00.0050.00319.25
8.2.180.0090.00616.75
8.2.170.0070.01122.96
8.2.160.0060.01320.39
8.2.150.0130.00324.18
8.2.140.0120.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.93
8.2.110.0090.00019.45
8.2.100.0120.00017.91
8.2.90.0030.00519.17
8.2.80.0050.00317.97
8.2.70.0050.00517.63
8.2.60.0030.00517.79
8.2.50.0000.00818.07
8.2.40.0040.00419.39
8.2.30.0040.00420.68
8.2.20.0040.00417.69
8.2.10.0060.00318.04
8.2.00.0030.00717.96
8.1.280.0210.00025.92
8.1.270.0060.00323.96
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00624.02
8.1.230.0110.00019.12
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0070.00317.35
8.1.190.0000.00817.70
8.1.180.0050.00318.10
8.1.170.0030.00518.65
8.1.160.0000.00722.05
8.1.150.0000.00718.89
8.1.140.0030.00519.54
8.1.130.0040.00417.70
8.1.120.0000.00817.47
8.1.110.0030.00317.47
8.1.100.0000.00817.33
8.1.90.0040.00417.41
8.1.80.0030.00717.38
8.1.70.0030.00317.45
8.1.60.0000.00717.47
8.1.50.0060.00317.43
8.1.40.0050.00317.43
8.1.30.0030.00617.55
8.1.20.0040.00417.52
8.1.10.0050.00217.50
8.1.00.0060.00617.49
8.0.300.0030.00619.92
8.0.290.0050.00316.63
8.0.280.0000.00718.40
8.0.270.0030.00317.22
8.0.260.0030.00317.27
8.0.250.0030.00316.91
8.0.240.0000.00616.84
8.0.230.0000.00716.99
8.0.220.0050.00216.86
8.0.210.0000.00716.75
8.0.200.0030.00316.87
8.0.190.0040.00416.83
8.0.180.0040.00416.89
8.0.170.0040.00416.82
8.0.160.0030.00516.91
8.0.150.0000.00716.73
8.0.140.0030.00516.79
8.0.130.0000.00513.30
8.0.120.0030.00516.89
8.0.110.0070.00016.88
8.0.100.0000.00716.82
8.0.90.0000.00716.77
8.0.80.0120.00316.88
8.0.70.0000.00716.68
8.0.60.0040.00416.93
8.0.50.0000.00716.78
8.0.30.0120.00617.10
8.0.20.0150.00817.40
8.0.10.0050.00316.82
8.0.00.0070.01216.72
7.4.330.0000.00616.70
7.4.320.0000.00616.55
7.4.300.0060.00016.58
7.4.290.0000.00716.58
7.4.280.0110.00016.34
7.4.270.0000.00716.50
7.4.260.0000.00716.43
7.4.250.0000.00816.48
7.4.240.0040.00416.55
7.4.230.0070.00016.39
7.4.220.0230.00316.55
7.4.210.0090.00916.58
7.4.200.0040.00416.68
7.4.160.0090.00616.39
7.4.150.0070.01017.40
7.4.140.0060.01417.86
7.4.130.0100.00816.43
7.4.120.0050.01116.45
7.4.110.0070.01016.37
7.4.100.0090.00916.44
7.4.90.0120.00616.37
7.4.80.0120.01219.39
7.4.70.0120.00616.53
7.4.60.0080.00816.59
7.4.50.0110.00316.55
7.4.40.0120.00416.57
7.4.30.0070.01616.64
7.4.10.0060.01214.90
7.4.00.0110.00614.98
7.3.330.0050.00013.09
7.3.320.0000.00613.13
7.3.310.0060.00316.32
7.3.300.0030.00316.25
7.3.290.0090.00816.23
7.3.280.0080.00816.22
7.3.270.0100.00717.40
7.3.260.0130.00416.52
7.3.250.0110.00816.31
7.3.240.0120.00616.26
7.3.230.0090.00916.61
7.3.210.0070.01016.29
7.3.200.0060.00916.34
7.3.190.0090.01216.27
7.3.180.0080.00816.46
7.3.170.0110.01016.57
7.3.160.0120.01216.63
7.3.130.0070.01114.80
7.3.120.0070.01014.78
7.3.110.0060.01314.65
7.3.100.0000.01115.02
7.3.90.0100.00314.95
7.3.80.0110.00414.84
7.3.70.0030.01014.84
7.3.60.0040.01114.89
7.3.50.0110.00314.61
7.3.40.0030.00914.76
7.3.30.0070.00714.81
7.3.20.0080.00316.71
7.3.10.0120.00316.69
7.3.00.0120.00316.66
7.2.330.0110.00616.66
7.2.320.0070.01016.71
7.2.310.0080.00816.75
7.2.300.0100.00616.50
7.2.290.0070.01016.79
7.2.260.0110.00814.92
7.2.250.0090.00915.20
7.2.240.0110.00415.20
7.2.230.0040.01515.00
7.2.220.0080.00315.25
7.2.210.0040.01115.20
7.2.200.0030.01014.82
7.2.190.0040.00814.95
7.2.180.0050.00514.87
7.2.170.0070.00715.09
7.2.160.0070.00415.24
7.2.150.0040.01116.77
7.2.140.0060.01016.77
7.2.130.0110.00717.00
7.2.120.0120.00316.70
7.2.110.0090.00617.05
7.2.100.0060.00616.96
7.2.90.0070.00717.13
7.2.80.0090.00616.88
7.2.70.0080.00416.66
7.2.60.0050.01116.80
7.2.50.0060.00916.91
7.2.40.0000.01216.69
7.2.30.0000.01816.98
7.2.20.0060.01216.87
7.2.10.0060.00616.72
7.2.00.0040.01018.12
7.1.330.0070.00315.74
7.1.320.0040.00716.06
7.1.310.0060.00316.12
7.1.300.0060.00915.71
7.1.290.0030.01015.84
7.1.280.0050.00816.00
7.1.270.0110.00415.83
7.1.260.0070.00716.00
7.1.250.0040.01115.82
7.1.240.0110.00415.84
7.1.230.0000.01615.80
7.1.220.0070.00715.55
7.1.210.0070.00415.84
7.1.200.0050.00715.67
7.1.190.0080.00815.93
7.1.180.0040.01115.62
7.1.170.0120.00315.68
7.1.160.0070.00715.75
7.1.150.0080.00815.89
7.1.140.0070.00715.76
7.1.130.0120.00015.89
7.1.120.0090.00315.73
7.1.110.0000.01515.75
7.1.100.0060.00716.89
7.1.90.0000.01215.57
7.1.80.0080.00415.94
7.1.70.0050.00516.40
7.1.60.0100.00717.58
7.1.50.0080.01016.48
7.1.40.0090.00915.75
7.1.30.0040.00815.95
7.1.20.0040.01115.89
7.1.10.0040.01115.68
7.1.00.0050.04219.10
7.0.330.0000.01515.25
7.0.320.0030.00715.29
7.0.310.0040.01115.38
7.0.300.0000.00815.08
7.0.290.0060.00615.38
7.0.280.0030.01015.36
7.0.270.0070.00315.37
7.0.260.0160.00015.09
7.0.250.0050.00515.45
7.0.240.0000.01515.35
7.0.230.0000.01215.34
7.0.220.0030.01015.30
7.0.210.0090.00315.29
7.0.200.0040.00916.13
7.0.190.0040.01515.30
7.0.180.0030.01115.55
7.0.170.0030.00815.56
7.0.160.0040.01115.48
7.0.150.0040.01415.64
7.0.140.0030.01015.50
7.0.130.0060.00315.60
7.0.120.0090.00315.57
7.0.110.0100.00615.52
7.0.100.0220.03017.55
7.0.90.0120.03817.68
7.0.80.0080.04617.53
7.0.70.0000.04017.64
7.0.60.0220.03017.64
7.0.50.0050.02617.81
7.0.40.0080.02116.76
7.0.30.0020.02816.78
7.0.20.0030.03516.82
7.0.10.0090.02016.77
7.0.00.0030.03016.83
5.6.400.0120.00614.59
5.6.390.0060.00914.53
5.6.380.0040.00714.32
5.6.370.0080.00414.49
5.6.360.0030.00714.42
5.6.350.0100.00314.16
5.6.340.0110.00714.41
5.6.330.0100.00614.23
5.6.320.0030.01014.38
5.6.310.0110.00714.25
5.6.300.0070.00413.96
5.6.290.0030.01314.65
5.6.280.0030.02317.51
5.6.270.0090.00614.01
5.6.260.0070.01014.71
5.6.250.0070.04717.46
5.6.240.0050.04517.43
5.6.230.0130.03817.35
5.6.220.0090.04417.38
5.6.210.0080.05017.39
5.6.200.0120.04217.71
5.6.190.0050.03017.70
5.6.180.0130.02217.63
5.6.170.0060.02417.63
5.6.160.0070.02117.65
5.6.150.0050.02217.79
5.6.140.0050.03617.68
5.6.130.0050.02417.73
5.6.120.0050.02517.52
5.6.110.0020.02717.60
5.6.100.0060.02217.67
5.6.90.0050.02517.54
5.6.80.0060.02117.48
5.6.70.0050.02517.24
5.6.60.0070.03817.31
5.6.50.0110.02117.31
5.6.40.0080.02017.37
5.6.30.0050.02817.36
5.6.20.0030.02717.40
5.6.10.0040.02217.42
5.6.00.0070.02317.27
5.5.380.0050.04817.31
5.5.370.0130.03517.34
5.5.360.0080.04717.30
5.5.350.0100.04217.25
5.5.340.0030.04017.43
5.5.330.0040.02617.52
5.5.320.0050.02517.50
5.5.310.0040.02617.40
5.5.300.0020.04317.39
5.5.290.0050.02617.62
5.5.280.0070.02517.49
5.5.270.0060.02417.46
5.5.260.0030.02617.46
5.5.250.0020.03117.37
5.5.240.0020.02717.17
5.5.230.0000.02917.13
5.5.220.0070.02217.10
5.5.210.0020.02217.08
5.5.200.0110.01917.06
5.5.190.0050.02217.15
5.5.180.0050.02517.36
5.5.170.0070.00714.11
5.5.160.0040.02117.12
5.5.150.0060.02117.29
5.5.140.0070.02217.21
5.5.130.0060.02317.13
5.5.120.0090.02217.19
5.5.110.0080.02117.11
5.5.100.0050.02416.96
5.5.90.0030.03017.22
5.5.80.0050.02417.11
5.5.70.0080.02017.15
5.5.60.0060.02417.10
5.5.50.0030.02516.92
5.5.40.0070.02217.05
5.5.30.0080.02417.15
5.5.20.0060.02316.85
5.5.10.0040.02417.09
5.5.00.0050.02216.94

preferences:
58.84 ms | 401 KiB | 5 Q