3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(1, 1, 2, 3, 5); foreach ($array as &$value) { $value *= $value; unset($value); } var_dump($array); $value = 42; var_dump($array); array_walk($array, function(&$value, &$key) { $value *= $value; }); var_dump($array);

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)
8.3.70.0110.00416.63
8.3.60.0110.00418.52
8.3.50.0100.01021.14
8.3.40.0180.00418.98
8.3.30.0070.00720.29
8.3.20.0040.00420.29
8.3.10.0050.00320.79
8.3.00.0080.00022.44
8.2.180.0120.00916.50
8.2.170.0110.00422.96
8.2.160.0070.00722.16
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00020.69
8.2.110.0090.00019.21
8.2.100.0060.00617.91
8.2.90.0000.00719.30
8.2.80.0030.00517.97
8.2.70.0060.00317.63
8.2.60.0060.00317.90
8.2.50.0040.00418.07
8.2.40.0060.00318.15
8.2.30.0040.00419.32
8.2.20.0000.00817.83
8.2.10.0060.00317.69
8.2.00.0080.00017.76
8.1.280.0100.00725.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0190.00323.98
8.1.230.0060.00621.04
8.1.220.0110.00418.77
8.1.210.0000.00820.74
8.1.200.0040.00817.38
8.1.190.0040.00417.53
8.1.180.0000.00818.10
8.1.170.0040.00418.56
8.1.160.0040.00418.80
8.1.150.0000.00918.65
8.1.140.0050.00217.33
8.1.130.0000.00717.74
8.1.120.0000.00717.49
8.1.110.0050.00317.37
8.1.100.0040.00417.46
8.1.90.0000.00717.37
8.1.80.0000.00717.34
8.1.70.0000.00817.48
8.1.60.0040.00417.48
8.1.50.0040.00417.54
8.1.40.0040.00417.39
8.1.30.0000.00817.58
8.1.20.0080.00017.62
8.1.10.0040.00417.45
8.1.00.0020.00517.43
8.0.300.0000.00719.85
8.0.290.0000.00717.05
8.0.280.0000.00718.35
8.0.270.0030.00317.26
8.0.260.0030.00316.80
8.0.250.0030.00316.93
8.0.240.0000.00716.89
8.0.230.0030.00316.92
8.0.220.0030.00317.00
8.0.210.0030.00317.02
8.0.200.0060.00016.98
8.0.190.0040.00417.03
8.0.180.0040.00416.96
8.0.170.0000.00816.85
8.0.160.0000.00716.84
8.0.150.0000.00816.88
8.0.140.0040.00416.96
8.0.130.0090.00013.42
8.0.120.0040.00416.91
8.0.110.0080.00016.96
8.0.100.0040.00416.75
8.0.90.0050.00316.89
8.0.80.0030.01216.98
8.0.70.0050.00316.79
8.0.60.0050.00216.96
8.0.50.0040.00416.91
8.0.30.0080.01217.23
8.0.20.0160.01517.40
8.0.10.0070.00017.02
8.0.00.0100.00916.69
7.4.330.0000.00516.67
7.4.320.0000.00616.54
7.4.300.0030.00316.64
7.4.290.0070.00016.59
7.4.280.0000.00816.50
7.4.270.0030.00316.58
7.4.260.0020.00313.21
7.4.250.0000.00816.37
7.4.240.0000.00716.53
7.4.230.0000.00716.60
7.4.220.0130.01316.56
7.4.210.0080.00916.59
7.4.200.0030.00316.53
7.4.190.0070.00016.31
7.4.160.0090.00616.52
7.4.150.0080.01117.40
7.4.140.0120.00817.86
7.4.130.0030.01316.54
7.4.120.0080.01316.55
7.4.110.0060.01216.37
7.4.100.0060.01116.56
7.4.90.0100.01016.45
7.4.80.0060.01219.39
7.4.70.0150.00016.64
7.4.60.0090.00916.47
7.4.50.0000.00816.53
7.4.40.0040.01122.77
7.4.30.0150.00616.43
7.4.00.0070.01015.14
7.3.330.0000.00513.43
7.3.320.0070.00013.39
7.3.310.0070.00016.32
7.3.300.0070.00016.29
7.3.290.0060.01216.32
7.3.280.0070.01016.30
7.3.270.0190.00317.40
7.3.260.0100.01118.24
7.3.250.0050.01316.42
7.3.240.0070.01016.25
7.3.230.0100.00716.63
7.3.210.0030.01316.32
7.3.200.0100.01319.39
7.3.190.0120.00916.54
7.3.180.0100.01016.30
7.3.170.0130.01016.38
7.3.160.0060.01016.58
7.3.120.0060.01014.72
7.2.330.0110.00816.46
7.2.320.0170.00016.38
7.2.310.0060.02016.59
7.2.300.0040.01416.66
7.2.290.0130.01016.41
7.2.00.0040.01219.41
7.1.100.0040.00817.89
7.1.70.0000.00817.17
7.1.60.0040.02219.17
7.1.50.0080.00416.78
7.1.00.0070.05322.31
7.0.200.0000.00716.73
7.0.140.0000.07722.09
7.0.70.0030.08721.76
7.0.60.0030.08721.77
7.0.50.0100.07722.13
7.0.40.0100.06020.15
7.0.30.0030.06720.15
7.0.20.0070.07320.18
7.0.10.0000.07320.09
7.0.00.0000.09720.14
5.6.280.0000.07721.02
5.6.220.0070.08020.68
5.6.210.0000.08320.48
5.6.200.0070.08321.05
5.6.190.0070.08721.08
5.6.180.0170.07321.17
5.6.170.0000.09021.06
5.6.160.0070.08321.04
5.6.150.0130.08021.11
5.6.140.0070.07321.13
5.6.130.0070.05721.00
5.6.120.0070.08021.16
5.6.110.0070.08721.02
5.6.100.0070.08321.00
5.6.90.0100.08321.16
5.6.80.0000.04320.50
5.6.70.0030.03720.51
5.6.60.0030.07720.54
5.6.50.0000.08020.42
5.6.40.0030.05020.41
5.6.30.0000.05720.44
5.6.20.0000.05320.39
5.6.10.0030.07720.40
5.6.00.0030.08320.45
5.5.360.0070.08020.34
5.5.350.0070.08020.32
5.5.340.0030.09020.93
5.5.330.0070.06720.77
5.5.320.0000.06320.74
5.5.310.0130.07720.80
5.5.300.0000.08720.90
5.5.290.0030.06020.93
5.5.280.0100.08020.88
5.5.270.0070.08720.79
5.5.260.0030.08320.64
5.5.250.0030.08320.61
5.5.240.0000.04020.30
5.5.230.0000.04320.18
5.5.220.0030.07320.11
5.5.210.0070.07720.27
5.5.200.0030.07020.24
5.5.190.0000.08720.13
5.5.180.0000.05720.27
5.5.160.0170.06719.99
5.5.150.0030.08320.18
5.5.140.0070.08320.11
5.5.130.0030.05019.96
5.5.120.0030.08720.26
5.5.110.0000.08020.24
5.5.100.0000.08019.96
5.5.90.0030.07720.16
5.5.80.0030.08020.13
5.5.70.0100.07020.16
5.5.60.0100.06020.03
5.5.50.0070.05720.06
5.5.40.0000.04720.09
5.5.30.0030.08020.16
5.5.20.0000.08020.05
5.5.10.0070.06719.97
5.5.00.0030.08320.13
5.4.450.0000.09719.46
5.4.440.0030.06019.37
5.4.430.0030.08719.22
5.4.420.0030.08319.53
5.4.410.0100.07719.10
5.4.400.0000.07719.04
5.4.390.0000.04019.09
5.4.380.0000.03718.95
5.4.370.0000.08019.02
5.4.360.0030.05019.13
5.4.350.0070.07719.23
5.4.340.0000.08319.21
5.4.320.0000.08319.20
5.4.310.0000.08018.90
5.4.300.0070.06719.15
5.4.290.0000.06019.06
5.4.280.0070.07018.85
5.4.270.0000.08019.02
5.4.260.0030.05018.94
5.4.250.0100.05318.94
5.4.240.0000.08319.09
5.4.230.0030.07718.94
5.4.220.0030.06019.04
5.4.210.0000.07719.03
5.4.200.0070.07719.12
5.4.190.0100.05019.11
5.4.180.0030.05018.93
5.4.170.0000.08018.89
5.4.160.0130.07019.03
5.4.150.0100.07319.00
5.4.140.0000.08016.50
5.4.130.0130.06316.24
5.4.120.0030.05716.43
5.4.110.0000.03716.43
5.4.100.0070.03316.46
5.4.90.0000.03716.27
5.4.80.0070.03016.48
5.4.70.0000.03716.37
5.4.60.0030.03316.46
5.4.50.0000.03716.37
5.4.40.0030.03316.49
5.4.30.0000.04016.34
5.4.20.0000.04316.33
5.4.10.0070.07016.47
5.4.00.0030.03015.85
5.3.290.0100.07014.77
5.3.280.0030.07714.54
5.3.270.0030.05314.57
5.3.260.0070.06314.67
5.3.250.0070.07314.74
5.3.240.0100.05714.59
5.3.230.0070.07314.64
5.3.220.0000.04014.59
5.3.210.0000.04014.55
5.3.200.0070.04014.50
5.3.190.0000.03714.68
5.3.180.0070.03714.62
5.3.170.0030.03714.59
5.3.160.0030.04714.67
5.3.150.0000.04714.51
5.3.140.0000.06014.53
5.3.130.0000.03314.68
5.3.120.0000.03714.54
5.3.110.0070.04314.55
5.3.100.0000.03714.05
5.3.90.0030.03314.02
5.3.80.0000.04314.07
5.3.70.0000.04014.13
5.3.60.0030.06014.02
5.3.50.0000.03714.02
5.3.40.0000.03013.98
5.3.30.0000.05713.81
5.3.20.0000.04013.80
5.3.10.0000.03013.79
5.3.00.0000.03013.65
5.2.170.0000.04312.64
5.2.160.0000.03712.64
5.2.150.0000.03012.64
5.2.140.0030.06012.64
5.2.130.0000.02312.64
5.2.120.0000.02712.64
5.2.110.0000.03312.64
5.2.100.0000.02712.64
5.2.90.0000.03312.64
5.2.80.0000.03012.64
5.2.70.0030.03012.64
5.2.60.0070.02012.64
5.2.50.0000.03012.64
5.2.40.0030.04012.64
5.2.30.0000.03012.64
5.2.20.0000.02712.64
5.2.10.0000.03012.64
5.2.00.0000.02312.64
5.1.60.0000.02312.64
5.1.50.0030.02012.64
5.1.40.0000.02312.64
5.1.30.0030.02712.64
5.1.20.0070.02312.64
5.1.10.0000.02312.64
5.1.00.0000.02312.64
5.0.50.0030.03012.64
5.0.40.0030.02312.64
5.0.30.0030.04012.64
5.0.20.0000.02012.64
5.0.10.0030.04312.64
5.0.00.0000.03012.64
4.4.90.0000.01312.64
4.4.80.0030.01712.64
4.4.70.0030.02012.64
4.4.60.0000.01312.64
4.4.50.0000.01712.64
4.4.40.0030.01712.64
4.4.30.0000.01712.64
4.4.20.0030.01312.64
4.4.10.0000.01312.64
4.4.00.0000.02712.64
4.3.110.0030.01012.64
4.3.100.0000.01312.64
4.3.90.0000.01312.64
4.3.80.0070.01312.64
4.3.70.0030.01312.64
4.3.60.0000.01312.64
4.3.50.0030.02312.64
4.3.40.0000.02712.64
4.3.30.0000.03312.64
4.3.20.0000.04012.64
4.3.10.0070.01012.64
4.3.00.0000.01312.64

preferences:
34.41 ms | 401 KiB | 5 Q