3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [ 'a' => 1, 'b' => 2, 'c' => 3], [ 'a' => 4, 'b' => 5, 'c' => 6], [ 'a' => 7, 'b' => 8, 'c' => 9] ]; foreach ($array as &$val) { unset($val['a']); } $array2 = [ [ 'a' => 1, 'b' => 2, 'c' => 3], [ 'a' => 4, 'b' => 5, 'c' => 6], [ 'a' => 7, 'b' => 8, 'c' => 9] ]; foreach ($array as &$val) { unset($val['a']); } echo 'First array: ' . PHP_EOL; foreach ($array as $key => $val) { echo $key . ' => ' . $val['b'] . ', ' . $val['c'] . PHP_EOL; } echo 'Second array: ' . PHP_EOL; foreach ($array2 as $key => $val) { echo $key . ' => ' . $val['b'] . ', ' . $val['c'] . 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)
8.3.60.0070.00716.63
8.3.50.0140.00717.33
8.3.40.0080.00618.85
8.3.30.0040.01118.75
8.3.20.0050.00318.60
8.3.10.0060.00320.48
8.3.00.0040.01119.50
8.2.180.0140.00717.00
8.2.170.0110.01122.96
8.2.160.0120.00620.54
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0050.00318.64
8.2.110.0070.00320.99
8.2.100.0070.00417.97
8.2.90.0000.01019.30
8.2.80.0000.00819.25
8.2.70.0090.00017.63
8.2.60.0100.00017.93
8.2.50.0050.00518.07
8.2.40.0040.00418.16
8.2.30.0040.00818.09
8.2.20.0030.00617.63
8.2.10.0070.00017.67
8.2.00.0000.00717.69
8.1.280.0080.00825.92
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00023.97
8.1.230.0080.00420.92
8.1.220.0050.00317.79
8.1.210.0040.00419.04
8.1.200.0030.00617.48
8.1.190.0080.00017.53
8.1.180.0040.00418.10
8.1.170.0030.00518.73
8.1.160.0000.00818.89
8.1.150.0080.00018.61
8.1.140.0000.00717.36
8.1.130.0070.00017.86
8.1.120.0000.00817.36
8.1.110.0040.00417.53
8.1.100.0040.00417.41
8.1.90.0050.00217.50
8.1.80.0000.00717.48
8.1.70.0030.00317.46
8.1.60.0030.00617.64
8.1.50.0070.00017.50
8.1.40.0060.00317.48
8.1.30.0050.00217.64
8.1.20.0030.00617.52
8.1.10.0000.00817.66
8.1.00.0040.00417.43
8.0.300.0040.00420.19
8.0.290.0070.00016.63
8.0.280.0020.00518.47
8.0.270.0030.00317.22
8.0.260.0040.00416.86
8.0.250.0000.00716.95
8.0.240.0040.00416.86
8.0.230.0030.00616.88
8.0.220.0050.00316.84
8.0.210.0070.00016.89
8.0.200.0030.00316.85
8.0.190.0000.00816.98
8.0.180.0000.00716.98
8.0.170.0030.00716.94
8.0.160.0070.00016.93
8.0.150.0050.00316.92
8.0.140.0040.00416.77
8.0.130.0000.00513.40
8.0.120.0040.00416.73
8.0.110.0000.00816.75
8.0.100.0050.00216.77
8.0.90.0000.00716.82
8.0.80.0040.01017.00
8.0.70.0040.00416.82
8.0.60.0040.00416.90
8.0.50.0000.00716.91
8.0.30.0060.01217.16
8.0.20.0150.00416.88
8.0.10.0050.00316.93
8.0.00.0080.00816.56
7.4.330.0000.00513.02
7.4.320.0030.00316.63
7.4.300.0000.00616.61
7.4.290.0080.00016.60
7.4.280.0000.00816.40
7.4.270.0000.00616.52
7.4.260.0030.00313.31
7.4.250.0080.00016.59
7.4.240.0030.00316.54
7.4.230.0040.00416.70
7.4.220.0080.00816.71
7.4.210.0060.01016.59
7.4.200.0000.00716.52
7.4.190.0070.00016.41
7.4.160.0000.01716.38
7.4.150.0070.01616.60
7.4.140.0120.00516.44
7.4.130.0110.01116.50
7.4.120.0120.00716.52
7.4.110.0130.00916.41
7.4.100.0090.00916.56
7.4.90.0120.00716.60
7.4.80.0030.01419.39
7.4.70.0080.01216.57
7.4.60.0030.01316.54
7.4.50.0040.00716.60
7.4.40.0000.01516.48
7.4.30.0040.01416.45
7.4.00.0040.00714.94
7.3.330.0050.00013.16
7.3.320.0000.00613.18
7.3.310.0070.00016.32
7.3.300.0050.00216.27
7.3.290.0040.01116.36
7.3.280.0060.00916.33
7.3.270.0100.00616.57
7.3.260.0120.00916.34
7.3.250.0050.01316.36
7.3.240.0110.00516.34
7.3.230.0130.00316.43
7.3.210.0090.00816.60
7.3.200.0040.01216.63
7.3.190.0110.00716.34
7.3.180.0060.01016.28
7.3.170.0060.01216.64
7.3.160.0090.00616.59
7.3.120.0090.00614.84
7.3.10.0110.00316.88
7.3.00.0090.00516.47
7.2.330.0150.00316.66
7.2.320.0120.00916.73
7.2.310.0090.00916.76
7.2.300.0070.01016.71
7.2.290.0090.01216.66
7.2.130.0080.00516.84
7.2.120.0100.00517.06
7.2.110.0140.01016.82
7.2.100.0070.00816.92
7.2.90.0060.00716.87
7.2.80.0050.01016.93
7.2.70.0040.00817.02
7.2.60.0070.00616.87
7.2.50.0100.00317.07
7.2.40.0060.00817.08
7.2.30.0100.00616.93
7.2.20.0080.00717.07
7.2.10.0060.01016.91
7.2.00.0010.01017.61
7.1.250.0030.01015.66
7.1.240.0070.00715.78
7.1.230.0070.01015.87
7.1.220.0030.01315.80
7.1.210.0030.00915.81
7.1.200.0030.00615.76
7.1.190.0000.01415.76
7.1.180.0070.00715.96
7.1.170.0000.01315.87
7.1.160.0060.00615.62
7.1.150.0110.00415.76
7.1.140.0060.00615.85
7.1.130.0090.00315.59
7.1.120.0040.00815.91
7.1.110.0060.00915.56
7.1.100.0020.01016.77
7.1.90.0090.00315.76
7.1.80.0000.01515.79
7.1.70.0030.00816.37
7.1.60.0100.00917.60
7.1.50.0080.01016.38
7.1.40.0090.00015.45
7.1.30.0070.00715.76
7.1.20.0030.01015.82
7.1.10.0150.00015.81
7.1.00.0030.02319.15
7.0.330.0020.00515.34
7.0.320.0030.00615.52
7.0.310.0070.00715.50
7.0.300.0030.00915.48
7.0.290.0030.01015.32
7.0.280.0060.00615.14
7.0.270.0130.00015.53
7.0.260.0060.00615.19
7.0.250.0040.00715.61
7.0.240.0060.00615.34
7.0.230.0040.00715.56
7.0.220.0060.00615.67
7.0.210.0040.00815.18
7.0.200.0070.00315.16
7.0.190.0070.00715.62
7.0.180.0070.00715.64
7.0.170.0030.00615.58
7.0.160.0000.01715.57
7.0.150.0070.00715.52
7.0.140.0020.03918.81
7.0.130.0000.01215.55
7.0.120.0020.04418.86
7.0.110.0040.00815.33
7.0.100.0100.00315.46
7.0.90.0060.00615.52
7.0.80.0120.00015.35
7.0.70.0040.00715.07
7.0.60.0030.04317.75
7.0.50.0020.03916.61
7.0.40.0080.04315.65
7.0.30.0070.02715.67
7.0.20.0120.02015.64
7.0.10.0060.02315.52
7.0.00.0020.02815.63
5.6.380.0070.00714.30
5.6.370.0060.00614.30
5.6.360.0070.00314.26
5.6.350.0040.00414.21
5.6.340.0070.00714.05
5.6.330.0030.01314.46
5.6.320.0070.00714.32
5.6.310.0000.01014.18
5.6.300.0030.01014.50
5.6.290.0060.00614.10
5.6.280.0030.04217.83
5.6.270.0030.01014.65
5.6.260.0030.00914.37
5.6.250.0030.01214.41
5.6.240.0100.00314.46
5.6.230.0100.00614.27
5.6.220.0070.00714.16
5.6.210.0050.02817.32
5.6.200.0070.02516.24
5.6.190.0100.03516.28
5.6.180.0080.04316.42
5.6.170.0070.03516.14
5.6.160.0080.04216.38
5.6.150.0020.03216.28
5.6.140.0090.04016.27
5.6.130.0070.04516.33
5.6.120.0050.04616.34
5.6.110.0050.02516.26
5.6.100.0100.03316.36
5.6.90.0080.03816.23
5.6.80.0050.02515.92
5.6.70.0030.02415.95
5.6.60.0070.02215.94
5.6.50.0070.02715.85
5.6.40.0100.03816.01
5.6.30.0060.03715.81
5.6.20.0050.03715.97
5.6.10.0090.02416.06
5.6.00.0050.02815.97
5.5.380.0070.00311.18
5.5.370.0060.00311.25
5.5.360.0080.00411.18
5.5.350.0100.02615.82
5.5.340.0030.04514.54
5.5.330.0110.04014.65
5.5.320.0030.03714.56
5.5.310.0100.04214.60
5.5.300.0050.02714.58
5.5.290.0080.04114.59
5.5.280.0030.02814.57
5.5.270.0100.02314.59
5.5.260.0070.04314.57
5.5.250.0030.03314.47
5.5.240.0050.02214.32
5.5.230.0110.03614.32
5.5.220.0080.02314.27
5.5.210.0020.04514.27
5.5.200.0050.02814.27
5.5.190.0080.03214.22
5.5.180.0050.04014.22
5.5.170.0030.00911.18
5.5.160.0050.03714.29
5.5.150.0080.03314.21
5.5.140.0030.03514.25
5.5.130.0070.02314.26
5.5.120.0100.02014.27
5.5.110.0100.02214.22
5.5.100.0070.03914.20
5.5.90.0070.03214.21
5.5.80.0070.02014.22
5.5.70.0050.02514.22
5.5.60.0060.02814.17
5.5.50.0020.02914.21
5.5.40.0020.02214.16
5.5.30.0060.01914.22
5.5.20.0030.02414.20
5.5.10.0090.03814.20
5.5.00.0030.02214.21
5.4.450.0060.02815.25
5.4.440.0070.02015.27
5.4.430.0090.03315.24
5.4.420.0100.02815.32
5.4.410.0080.02015.18
5.4.400.0040.02915.06
5.4.390.0060.02215.10
5.4.380.0060.02315.13
5.4.370.0030.03515.15
5.4.360.0070.04015.19
5.4.350.0070.03515.10
5.4.340.0050.04515.13
5.4.330.0080.00411.18
5.4.320.0080.03815.09
5.4.310.0030.03615.06
5.4.300.0020.03015.14
5.4.290.0070.02515.19
5.4.280.0030.02515.06
5.4.270.0030.02715.00
5.4.260.0090.02915.06
5.4.250.0070.03315.14
5.4.240.0080.04015.08
5.4.230.0060.02315.07
5.4.220.0080.02615.10
5.4.210.0000.03515.11
5.4.200.0100.02215.03
5.4.190.0070.02215.06
5.4.180.0050.02515.07
5.4.170.0020.03315.11
5.4.160.0060.01815.04
5.4.150.0050.02215.07
5.4.140.0110.02313.76
5.4.130.0050.04013.71
5.4.120.0070.03713.71
5.4.110.0070.03713.79
5.4.100.0020.04313.73
5.4.90.0080.02313.73
5.4.80.0050.02613.71
5.4.70.0070.04013.75
5.4.60.0060.02513.76
5.4.50.0050.04113.78
5.4.40.0040.02613.78
5.4.30.0050.02213.77
5.4.20.0020.04313.71
5.4.10.0060.03413.75
5.4.00.0020.02913.55
5.3.290.0050.04212.89
5.3.280.0030.02912.86
5.3.270.0070.02312.80
5.3.260.0010.03012.88
5.3.250.0040.02412.80
5.3.240.0090.04012.87
5.3.230.0060.04012.86
5.3.220.0070.02812.79
5.3.210.0090.02812.85
5.3.200.0040.03212.87
5.3.190.0030.04212.85
5.3.180.0050.02812.85
5.3.170.0080.02312.85
5.3.160.0050.04012.91
5.3.150.0080.03012.86
5.3.140.0080.02112.84
5.3.130.0070.02612.85
5.3.120.0080.04212.83
5.3.110.0100.04012.83
5.3.100.0030.04012.58
5.3.90.0030.03812.51
5.3.80.0030.02812.57
5.3.70.0050.03212.56
5.3.60.0070.03712.47
5.3.50.0070.04212.54
5.3.40.0020.04412.44
5.3.30.0090.02912.51
5.3.20.0070.03612.43
5.3.10.0070.02712.39
5.3.00.0100.01912.30
5.2.170.0050.03111.12
5.2.160.0040.03311.12
5.2.150.0060.02511.15
5.2.140.0050.03011.17
5.2.130.0070.03211.10
5.2.120.0050.03011.15
5.2.110.0030.02911.12
5.2.100.0050.01711.14
5.2.90.0060.01511.13
5.2.80.0070.02811.13
5.2.70.0050.01611.04
5.2.60.0090.02511.12
5.2.50.0050.01511.17
5.2.40.0040.01511.08
5.2.30.0020.01711.04
5.2.20.0050.01411.01
5.2.10.0020.01811.03
5.2.00.0030.01610.94
5.1.60.0030.01410.56
5.1.50.0020.01710.57
5.1.40.0030.01310.59
5.1.30.0030.01510.76
5.1.20.0040.01410.76
5.1.10.0030.01510.54
5.1.00.0040.01410.61
5.0.50.0000.0139.84
5.0.40.0080.0089.83
5.0.30.0020.0189.69
5.0.20.0060.0089.71
5.0.10.0030.0129.65
5.0.00.0030.0159.65
4.4.90.0010.0239.49
4.4.80.0000.0119.49
4.4.70.0030.0109.49
4.4.60.0000.0109.49
4.4.50.0000.0119.49
4.4.40.0000.0159.49
4.4.30.0000.0119.49
4.4.20.0020.0109.49
4.4.10.0030.0089.49
4.4.00.0000.0159.49
4.3.110.0010.0119.49
4.3.100.0000.0109.49
4.3.90.0020.0109.49
4.3.80.0020.0139.49
4.3.70.0030.0089.49
4.3.60.0000.0119.49
4.3.50.0020.0129.49
4.3.40.0020.0129.49
4.3.30.0000.0119.49
4.3.20.0000.0119.49
4.3.10.0020.0089.49
4.3.00.0010.0099.49

preferences:
37.18 ms | 401 KiB | 5 Q