3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1,2,3]; $array2 = &$array; foreach($array as $val) { unset($array[1]); // modify array being iterated over echo "{$val} - ", current($array), PHP_EOL; }

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)
8.3.60.0090.00616.63
8.3.50.0120.00521.15
8.3.40.0110.00318.73
8.3.30.0110.00418.72
8.3.20.0000.00720.13
8.3.10.0050.00323.65
8.3.00.0080.00023.53
8.2.180.0110.00418.38
8.2.170.0040.01122.96
8.2.160.0130.00619.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00419.77
8.2.120.0070.00026.35
8.2.110.0070.00420.99
8.2.100.0040.00817.72
8.2.90.0050.00319.34
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0040.00422.09
8.2.30.0050.00319.52
8.2.20.0050.00317.85
8.2.10.0030.00617.93
8.2.00.0000.00717.96
8.1.280.0110.00425.92
8.1.270.0040.00423.82
8.1.260.0070.00028.09
8.1.250.0080.00028.09
8.1.240.0040.00423.92
8.1.230.0120.00019.04
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.13
8.1.180.0070.00418.10
8.1.170.0040.00418.49
8.1.160.0070.00020.77
8.1.150.0050.00318.93
8.1.140.0060.00319.61
8.1.130.0000.00717.68
8.1.120.0040.00417.43
8.1.110.0000.00817.38
8.1.100.0000.00717.39
8.1.90.0000.00817.34
8.1.80.0050.00317.37
8.1.70.0030.00317.44
8.1.60.0040.00417.53
8.1.50.0000.00817.44
8.1.40.0000.00817.50
8.1.30.0100.00017.60
8.1.20.0070.00017.73
8.1.10.0040.00417.40
8.1.00.0040.00417.53
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0050.00318.43
8.0.270.0000.00717.12
8.0.260.0060.00017.29
8.0.250.0000.00716.83
8.0.240.0030.00316.88
8.0.230.0000.00716.95
8.0.220.0000.00916.91
8.0.210.0030.00316.87
8.0.200.0000.00616.94
8.0.190.0000.00716.83
8.0.180.0070.00316.81
8.0.170.0000.00816.76
8.0.160.0040.00416.72
8.0.150.0030.00316.82
8.0.140.0050.00216.76
8.0.130.0000.00713.34
8.0.120.0080.00016.92
8.0.110.0050.00316.82
8.0.100.0040.00316.73
8.0.90.0040.00416.92
8.0.80.0000.01416.92
8.0.70.0040.00416.94
8.0.60.0050.00216.83
8.0.50.0030.00516.90
8.0.30.0130.00516.98
8.0.20.0120.00917.40
8.0.10.0050.00316.94
8.0.00.0100.00816.62
7.4.330.0050.00016.84
7.4.320.0060.00016.61
7.4.300.0000.00716.49
7.4.290.0050.00316.60
7.4.280.0030.00616.61
7.4.270.0000.00716.50
7.4.260.0070.00016.54
7.4.250.0040.00416.57
7.4.240.0030.00316.56
7.4.230.0000.00716.63
7.4.220.0060.01216.50
7.4.210.0040.01216.54
7.4.200.0000.00716.44
7.4.160.0030.01416.57
7.4.150.0040.01617.40
7.4.140.0060.01217.86
7.4.130.0090.01516.43
7.4.120.0060.01116.46
7.4.110.0090.00916.35
7.4.100.0060.01616.40
7.4.90.0090.00916.35
7.4.80.0090.01219.39
7.4.70.0040.01316.40
7.4.60.0000.01616.65
7.4.50.0090.00616.48
7.4.40.0110.00516.66
7.4.30.0060.01216.49
7.4.00.0060.01015.09
7.3.330.0060.00012.99
7.3.320.0050.00013.05
7.3.310.0000.00716.15
7.3.300.0040.00416.11
7.3.290.0040.00416.21
7.3.280.0110.00716.26
7.3.270.0070.01017.40
7.3.260.0060.01216.28
7.3.240.0120.00916.46
7.3.230.0060.01216.50
7.3.210.0200.00016.34
7.3.200.0110.00519.39
7.3.190.0160.00316.45
7.3.180.0140.00316.43
7.3.170.0070.01016.38
7.3.160.0120.00916.25
7.3.120.0160.00314.93
7.3.110.0100.01014.83
7.3.100.0030.01315.14
7.3.90.0130.00614.73
7.3.80.0000.01514.52
7.3.70.0080.00614.86
7.3.60.0000.01914.87
7.3.50.0070.00314.80
7.3.40.0140.00314.89
7.3.30.0070.00714.57
7.3.20.0040.01116.51
7.3.10.0070.01016.47
7.3.00.0020.01116.57
7.2.330.0100.00716.67
7.2.320.0070.01016.59
7.2.310.0060.01916.75
7.2.300.0110.00716.35
7.2.290.0110.01116.34
7.2.250.0070.01115.21
7.2.240.0120.00614.85
7.2.230.0110.00314.82
7.2.220.0080.00815.03
7.2.210.0120.00615.09
7.2.200.0030.01314.87
7.2.190.0030.01015.15
7.2.180.0040.01114.78
7.2.170.0090.00614.89
7.2.130.0040.00816.98
7.2.120.0070.00716.60
7.2.110.0070.00616.51
7.2.100.0070.00716.54
7.2.90.0010.00916.62
7.2.80.0070.00716.51
7.2.70.0090.00916.73
7.2.60.0100.00516.77
7.2.50.0070.00616.52
7.2.40.0050.01016.80
7.2.30.0050.00816.77
7.2.20.0090.00916.78
7.2.10.0080.01016.69
7.2.00.0080.00817.52
7.1.330.0130.00315.71
7.1.320.0040.00815.63
7.1.310.0110.00715.93
7.1.300.0110.00715.75
7.1.290.0060.00915.51
7.1.280.0040.00815.48
7.1.270.0070.00715.52
7.1.260.0000.00915.52
7.1.250.0040.01215.86
7.1.230.0100.00615.49
7.1.220.0150.00015.53
7.1.210.0060.00615.40
7.1.200.0080.00615.64
7.1.190.0130.00315.26
7.1.180.0030.01115.41
7.1.170.0040.01115.46
7.1.160.0110.00415.20
7.1.150.0090.00615.78
7.1.140.0050.01015.54
7.1.130.0090.00915.43
7.1.120.0070.00715.54
7.1.110.0040.01415.66
7.1.100.0040.01116.84
7.1.90.0070.00715.55
7.1.80.0030.01015.77
7.1.70.0020.00916.57
7.1.60.0100.01017.38
7.1.50.0040.01216.28
7.1.40.0070.00715.25
7.1.30.0080.00415.49
7.1.20.0120.00015.45
7.1.10.0130.00415.46
7.1.00.0050.04119.05
7.0.310.0140.00715.29
7.0.300.0130.00715.39
7.0.290.0130.00915.37
7.0.280.0060.01015.38
7.0.270.0140.00715.52
7.0.260.0040.01515.35
7.0.250.0100.01015.34
7.0.240.0130.00815.25
7.0.230.0140.00715.27
7.0.220.0160.00515.45
7.0.210.0150.00815.31
7.0.200.0070.00715.77
7.0.190.0160.00415.29
7.0.180.0130.00615.57
7.0.170.0150.00615.23
7.0.160.0140.00715.31
7.0.150.0150.00715.32
7.0.140.0110.00715.45
7.0.130.0130.01015.21
7.0.120.0200.00015.38
7.0.110.0130.00915.30
7.0.100.0140.00715.34
7.0.90.0070.01315.44
7.0.80.0080.01315.43
7.0.70.0100.00815.32
7.0.60.0160.02217.68
7.0.50.0130.04116.75
7.0.40.0100.04117.72
7.0.30.0230.03817.68
7.0.20.0140.02317.79
7.0.10.0120.04317.78
7.0.00.0090.04517.84
5.6.380.0160.00014.18
5.6.370.0180.00014.09
5.6.360.0100.01414.57
5.6.350.0140.00714.42
5.6.340.0150.00614.38
5.6.330.0090.01214.25
5.6.320.0150.00714.37
5.6.310.0120.01213.92
5.6.300.0200.00314.27
5.6.290.0070.01414.28
5.6.280.0090.01817.74
5.6.270.0110.01114.52
5.6.260.0100.01014.38
5.6.250.0180.00414.26
5.6.240.0130.00914.20
5.6.230.0080.01414.30
5.6.220.0060.01514.23
5.6.210.0050.03017.39
5.6.200.0100.02316.30
5.6.190.0150.04117.42
5.6.180.0310.03917.37
5.6.170.0230.02617.29
5.6.160.0100.04917.12
5.6.150.0110.03216.25
5.6.140.0120.03316.21
5.6.130.0130.02616.11
5.6.120.0080.02817.56
5.6.110.0110.03617.62
5.6.100.0080.04417.60
5.6.90.0090.02617.64
5.6.80.0110.02017.21
5.6.70.0110.01114.24
5.6.60.0000.02014.22
5.6.50.0170.00214.26
5.6.40.0100.01014.11
5.6.30.0210.00014.29
5.6.20.0120.01214.23
5.6.10.0130.00714.22
5.6.00.0130.00714.13
5.5.380.0060.00811.18
5.5.370.0090.00611.26
5.5.360.0100.00611.15
5.5.350.0170.04115.77
5.5.340.0070.04514.46
5.5.330.0090.02015.66
5.5.320.0170.02515.65
5.5.310.0120.02715.67
5.5.300.0080.03914.53
5.5.290.0110.04014.47
5.5.280.0070.02216.03
5.5.270.0060.03515.84
5.5.260.0150.03815.84
5.5.250.0120.03415.84
5.5.240.0040.03615.51
5.5.230.0100.00510.93
5.5.220.0100.00310.75
5.5.210.0110.00810.98
5.5.200.0090.00711.09
5.5.190.0060.00810.79
5.5.180.0120.00211.01
5.5.170.0170.00614.07
5.5.160.0120.00411.10
5.5.150.0150.00411.10
5.5.140.0170.00011.07
5.5.130.0040.01311.04
5.5.120.0160.00010.89
5.5.110.0100.00610.98
5.5.100.0080.00811.05
5.5.90.0080.00710.54
5.5.80.0060.01110.93
5.5.70.0060.01110.75
5.5.60.0140.00011.05
5.5.50.0040.01111.02
5.5.40.0070.00711.06
5.5.30.0100.00511.01
5.5.20.0130.00311.11
5.5.10.0110.00710.83
5.5.00.0090.00410.53

preferences:
66.33 ms | 401 KiB | 5 Q