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($a[1]); } print_r($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)
8.3.60.0110.00716.75
8.3.50.0170.00322.03
8.3.40.0000.01418.54
8.3.30.0070.00718.75
8.3.20.0040.00420.04
8.3.10.0050.00223.48
8.3.00.0030.00619.01
8.2.180.0070.01116.48
8.2.170.0080.00822.96
8.2.160.0070.00720.43
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0090.00017.75
8.2.120.0000.00826.35
8.2.110.0030.00619.27
8.2.100.0110.00018.09
8.2.90.0000.00919.22
8.2.80.0070.00417.97
8.2.70.0090.00017.63
8.2.60.0040.00418.16
8.2.50.0050.00318.07
8.2.40.0100.00021.08
8.2.30.0000.00720.52
8.2.20.0070.00317.71
8.2.10.0000.00818.13
8.2.00.0000.00717.92
8.1.280.0100.01025.92
8.1.270.0040.00421.85
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0060.00319.21
8.1.230.0080.00319.08
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0090.00017.23
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0080.00021.88
8.1.150.0000.00718.93
8.1.140.0040.00719.53
8.1.130.0000.00717.75
8.1.120.0000.00817.51
8.1.110.0040.00417.36
8.1.100.0000.00817.38
8.1.90.0040.00417.44
8.1.80.0000.00717.37
8.1.70.0050.00317.50
8.1.60.0040.00417.61
8.1.50.0080.00017.48
8.1.40.0000.00817.53
8.1.30.0030.00617.65
8.1.20.0000.00817.61
8.1.10.0000.00717.54
8.1.00.0040.00417.43
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.47
8.0.270.0070.00017.16
8.0.260.0030.00317.24
8.0.250.0030.00316.97
8.0.240.0030.00516.95
8.0.230.0040.00416.94
8.0.220.0000.00816.85
8.0.210.0000.00916.88
8.0.200.0030.00316.99
8.0.190.0080.00016.90
8.0.180.0040.00416.88
8.0.170.0000.00816.90
8.0.160.0030.00516.93
8.0.150.0040.00416.75
8.0.140.0000.00716.82
8.0.130.0030.00313.35
8.0.120.0020.00516.76
8.0.110.0040.00416.90
8.0.100.0040.00416.90
8.0.90.0030.00316.69
8.0.80.0090.01216.93
8.0.70.0050.00316.70
8.0.60.0000.00716.77
8.0.50.0040.00416.95
8.0.30.0090.00916.97
8.0.20.0120.00717.40
8.0.10.0000.00817.03
8.0.00.0110.00716.78
7.4.330.0060.00016.64
7.4.320.0030.00316.46
7.4.300.0030.00316.59
7.4.290.0070.00016.60
7.4.280.0040.00416.59
7.4.270.0030.00316.63
7.4.260.0060.00016.43
7.4.250.0040.00416.60
7.4.240.0020.00516.51
7.4.230.0070.00016.63
7.4.220.0100.01016.63
7.4.210.0000.01416.46
7.4.200.0000.00716.70
7.4.160.0000.01616.57
7.4.150.0070.01017.40
7.4.140.0050.01617.86
7.4.130.0060.01016.43
7.4.120.0070.01216.56
7.4.110.0110.00716.71
7.4.100.0100.01316.40
7.4.90.0060.01016.46
7.4.80.0060.00919.39
7.4.70.0100.00716.29
7.4.60.0090.00716.55
7.4.50.0050.00816.34
7.4.40.0100.00716.34
7.4.30.0080.01116.45
7.4.00.0030.01114.91
7.3.330.0030.00313.18
7.3.320.0000.00613.02
7.3.310.0040.00416.32
7.3.300.0000.00716.15
7.3.290.0080.00916.26
7.3.280.0070.01116.27
7.3.270.0160.00717.40
7.3.260.0060.01116.31
7.3.250.0080.00916.49
7.3.240.0090.01116.35
7.3.230.0090.01216.44
7.3.210.0040.01216.40
7.3.200.0080.00816.60
7.3.190.0060.01216.29
7.3.180.0130.00416.25
7.3.170.0090.00916.53
7.3.160.0110.00816.28
7.3.120.0100.00314.95
7.3.110.0000.01714.97
7.3.100.0100.00715.09
7.3.90.0030.01214.72
7.3.80.0060.00614.80
7.3.70.0140.00014.89
7.3.60.0100.00314.87
7.3.50.0060.00814.73
7.3.40.0100.00714.81
7.3.30.0030.00714.82
7.3.20.0000.01316.42
7.3.10.0120.00316.42
7.3.00.0090.00616.71
7.2.330.0160.00316.40
7.2.320.0040.01816.67
7.2.310.0140.00416.43
7.2.300.0090.00916.61
7.2.290.0030.01316.54
7.2.250.0040.01515.27
7.2.240.0100.00615.21
7.2.230.0080.00815.32
7.2.220.0030.01314.86
7.2.210.0060.00614.75
7.2.200.0060.00615.09
7.2.190.0030.00715.05
7.2.180.0070.00714.77
7.2.170.0110.00015.05
7.2.160.0030.01015.08
7.2.150.0050.00516.98
7.2.140.0030.01116.93
7.2.130.0040.01116.62
7.2.120.0030.01016.92
7.2.110.0040.01216.68
7.2.100.0030.00716.77
7.2.90.0030.01016.93
7.2.80.0120.00316.68
7.2.70.0070.00716.87
7.2.60.0130.00916.66
7.2.50.0100.00316.91
7.2.40.0040.01116.94
7.2.30.0040.01116.87
7.2.20.0000.00916.62
7.2.10.0060.00316.85
7.2.00.0150.00617.85
7.1.330.0100.00715.83
7.1.320.0040.01215.75
7.1.310.0100.00715.98
7.1.300.0030.01115.78
7.1.290.0030.00915.88
7.1.280.0000.01115.80
7.1.270.0030.01015.84
7.1.260.0090.00315.90
7.1.250.0070.00315.61
7.1.240.0070.00716.05
7.1.230.0120.00015.77
7.1.220.0040.00815.79
7.1.210.0050.00515.93
7.1.200.0080.00815.82
7.1.190.0100.00315.79
7.1.180.0000.01515.88
7.1.170.0070.01115.53
7.1.160.0040.00715.86
7.1.150.0000.01515.83
7.1.140.0070.00715.88
7.1.130.0030.00715.61
7.1.120.0080.00015.96
7.1.110.0030.00615.93
7.1.100.0030.00817.08
7.1.90.0030.00915.93
7.1.80.0030.01015.92
7.1.70.0050.00516.51
7.1.60.0050.01517.64
7.1.50.0100.01116.53
7.1.40.0030.00915.90
7.1.30.0070.00415.86
7.1.20.0090.00615.92
7.1.10.0000.01315.93
7.1.00.0000.04519.18
7.0.330.0060.00315.48
7.0.320.0000.01215.23
7.0.310.0000.01115.61
7.0.300.0040.00815.04
7.0.290.0000.01015.25
7.0.280.0000.01515.48
7.0.270.0040.00715.43
7.0.260.0030.01315.23
7.0.250.0040.00715.52
7.0.240.0030.00915.55
7.0.230.0030.00615.62
7.0.220.0030.00915.34
7.0.210.0070.01015.54
7.0.200.0050.00516.14
7.0.190.0070.00715.28
7.0.180.0030.00715.53
7.0.170.0030.01015.44
7.0.160.0040.01115.54
7.0.150.0090.00615.34
7.0.140.0070.00715.47
7.0.130.0030.01015.20
7.0.120.0030.01015.54
7.0.110.0060.00815.50
7.0.100.0060.00615.36
7.0.90.0080.00815.27
7.0.80.0130.00315.27
7.0.70.0040.01115.53
7.0.60.0070.04317.68
7.0.50.0100.04216.68
7.0.40.0030.05016.70
7.0.30.0150.04016.91
7.0.20.0130.03116.94
7.0.10.0100.02916.79
7.0.00.0050.02616.68
5.6.400.0060.00914.27
5.6.390.0070.00714.42
5.6.380.0000.01413.93
5.6.370.0030.00514.33
5.6.360.0040.01414.25
5.6.350.0040.00814.30
5.6.340.0090.00314.22
5.6.330.0070.00714.05
5.6.320.0120.00014.31
5.6.310.0080.00613.97
5.6.300.0030.00914.12
5.6.290.0040.01214.59
5.6.280.0020.02417.53
5.6.270.0040.01114.09
5.6.260.0030.00914.24
5.6.250.0040.00414.41
5.6.240.0030.01014.41
5.6.230.0090.00614.11
5.6.220.0140.00014.31
5.6.210.0100.03917.57
5.6.200.0070.04416.34
5.6.190.0110.04617.26
5.6.180.0100.02717.27
5.6.170.0220.04217.41
5.6.160.0050.04617.42
5.6.150.0070.04216.39
5.6.140.0080.02716.14
5.6.130.0120.03216.36
5.6.120.0070.02817.71
5.6.110.0080.04417.53
5.6.100.0030.03617.54
5.6.90.0020.03817.75
5.6.80.0080.04317.37
5.6.70.0090.00614.15
5.6.60.0000.01214.10
5.6.50.0030.01014.52
5.6.40.0090.00614.33
5.6.30.0000.01014.39
5.6.20.0030.00614.14
5.6.10.0080.00314.10
5.6.00.0080.00414.12
5.5.380.0110.00414.00
5.5.370.0100.00614.02
5.5.360.0030.00814.20
5.5.350.0070.02717.45
5.5.340.0060.04415.96
5.5.330.0130.02317.33
5.5.320.0050.02517.48
5.5.310.0180.04317.31
5.5.300.0050.02516.06
5.5.290.0100.04016.15
5.5.280.0070.04217.49
5.5.270.0060.02317.38
5.5.260.0050.04717.46
5.5.250.0070.03517.31
5.5.240.0170.04217.23
5.5.230.0090.00614.16
5.5.220.0030.00714.14
5.5.210.0030.00714.32
5.5.200.0030.01213.84
5.5.190.0030.01114.09
5.5.180.0000.01114.00
5.5.170.0080.00414.03
5.5.160.0000.01014.07
5.5.150.0090.00314.11
5.5.140.0110.00414.39
5.5.130.0110.00414.38
5.5.120.0100.00714.35
5.5.110.0080.00814.02
5.5.100.0040.00814.10
5.5.90.0000.00814.18
5.5.80.0000.00814.27
5.5.70.0080.00414.07
5.5.60.0060.00314.06
5.5.50.0070.00714.34
5.5.40.0070.00714.00
5.5.30.0080.00414.16
5.5.20.0040.00414.12
5.5.10.0000.01214.29
5.5.00.0030.01014.30

preferences:
55.69 ms | 401 KiB | 5 Q