3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'foo'; $b = 'bar'; $array = [&$a, $b]; var_dump($array); $newArray = array_map(function(&$item){ $a = &$item; return $a; }, $array); var_dump($newArray);

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)
8.3.60.0150.00618.28
8.3.50.0100.00821.20
8.3.40.0150.00018.46
8.3.30.0090.00919.08
8.3.20.0000.00820.16
8.3.10.0080.00021.96
8.3.00.0040.00422.43
8.2.180.0110.00718.54
8.2.170.0030.01422.96
8.2.160.0000.01320.47
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00726.16
8.2.120.0040.00419.76
8.2.110.0030.00722.11
8.2.100.0040.00719.38
8.2.90.0000.00819.21
8.2.80.0040.00717.97
8.2.70.0050.00517.50
8.2.60.0000.00717.80
8.2.50.0030.00618.07
8.2.40.0050.00318.16
8.2.30.0000.00717.99
8.2.20.0050.00217.78
8.2.10.0040.00417.88
8.2.00.0050.00217.88
8.1.280.0150.00025.92
8.1.270.0090.00020.32
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00423.96
8.1.230.0040.00718.98
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00617.38
8.1.190.0050.00317.27
8.1.180.0000.00818.74
8.1.170.0040.00418.65
8.1.160.0050.00222.20
8.1.150.0000.00718.65
8.1.140.0000.00717.52
8.1.130.0000.00717.75
8.1.120.0000.00717.45
8.1.110.0000.00717.50
8.1.100.0070.00017.43
8.1.90.0070.00017.36
8.1.80.0070.00017.48
8.1.70.0030.00517.36
8.1.60.0000.00817.58
8.1.50.0040.00417.42
8.1.40.0030.00617.40
8.1.30.0000.00717.59
8.1.20.0030.00517.73
8.1.10.0030.00617.43
8.1.00.0040.00417.47
8.0.300.0050.00318.77
8.0.290.0000.00717.18
8.0.280.0000.00818.46
8.0.270.0070.00017.25
8.0.260.0030.00316.80
8.0.250.0000.00716.97
8.0.240.0000.00717.05
8.0.230.0000.00716.91
8.0.220.0030.00317.02
8.0.210.0000.00717.04
8.0.200.0070.00017.06
8.0.190.0040.00417.01
8.0.180.0080.00316.99
8.0.170.0040.00416.97
8.0.160.0070.00016.96
8.0.150.0050.00316.84
8.0.140.0080.00016.91
8.0.130.0000.00513.42
8.0.120.0070.00016.82
8.0.110.0000.00717.00
8.0.100.0000.00816.95
8.0.90.0070.00016.90
8.0.80.0090.00616.95
8.0.70.0050.00316.98
8.0.60.0040.00417.07
8.0.50.0000.00716.81
8.0.30.0120.00717.17
8.0.20.0170.00717.40
8.0.10.0040.00417.11
8.0.00.0090.01316.63
7.4.330.0030.00315.00
7.4.320.0000.00616.53
7.4.300.0030.00316.50
7.4.290.0000.00716.46
7.4.280.0000.00716.48
7.4.270.0070.00016.43
7.4.260.0050.00316.60
7.4.250.0000.00716.37
7.4.240.0040.00316.55
7.4.230.0070.00016.65
7.4.220.0120.00916.62
7.4.210.0060.00816.58
7.4.200.0040.00416.41
7.4.190.0000.00816.74
7.4.160.0060.01016.42
7.4.150.0070.01117.40
7.4.140.0060.01517.86
7.4.130.0090.00916.49
7.4.120.0090.00816.54
7.4.110.0100.00716.29
7.4.100.0070.01116.51
7.4.90.0130.00616.55
7.4.80.0100.01019.39
7.4.70.0030.01416.52
7.4.60.0060.01216.59
7.4.50.0060.00316.37
7.4.40.0060.01022.77
7.4.30.0090.00616.46
7.4.10.0000.01614.82
7.4.00.0030.01214.92
7.3.330.0030.00313.25
7.3.320.0060.00013.28
7.3.310.0070.00016.31
7.3.300.0040.00416.31
7.3.290.0080.00816.37
7.3.280.0070.00916.30
7.3.270.0040.01317.40
7.3.260.0080.00816.52
7.3.250.0080.00916.34
7.3.240.0160.00616.32
7.3.230.0230.00016.48
7.3.210.0180.00016.22
7.3.200.0160.00719.39
7.3.190.0090.00916.31
7.3.180.0090.00616.61
7.3.170.0100.01416.38
7.3.160.0070.00716.23
7.3.130.0080.00314.69
7.3.120.0080.00414.95
7.3.110.0030.01314.82
7.3.100.0070.00714.51
7.3.90.0080.00014.61
7.3.80.0080.00414.98
7.3.70.0030.00714.57
7.3.60.0080.00814.63
7.3.50.0000.01314.73
7.3.40.0070.00714.51
7.3.30.0000.01114.35
7.3.20.0030.01016.43
7.3.10.0070.00716.81
7.3.00.0030.00916.64
7.2.330.0130.00516.35
7.2.320.0140.00416.45
7.2.310.0070.01016.72
7.2.300.0080.00916.79
7.2.290.0040.01216.43
7.2.260.0130.00014.79
7.2.250.0060.00614.67
7.2.240.0070.00714.98
7.2.230.0090.00615.05
7.2.220.0080.00815.23
7.2.210.0030.01014.80
7.2.200.0030.01014.91
7.2.190.0070.00314.82
7.2.180.0070.00614.95
7.2.170.0030.01014.95
7.2.160.0070.00714.64
7.2.150.0080.00416.83
7.2.140.0070.01016.89
7.2.130.0040.00816.96
7.2.120.0060.01016.84
7.2.110.0070.01116.70
7.2.100.0100.00316.82
7.2.90.0050.00516.63
7.2.80.0000.01616.81
7.2.70.0100.00716.81
7.2.60.0110.00716.86
7.2.50.0030.00916.96
7.2.40.0120.00316.89
7.2.30.0120.00016.93
7.2.20.0000.01016.79
7.2.10.0040.01116.54
7.2.00.0050.01018.10
7.1.330.0030.01015.66
7.1.320.0030.01015.57
7.1.310.0080.00415.89
7.1.300.0000.01115.54
7.1.290.0070.00315.64
7.1.280.0120.00415.94
7.1.270.0000.01315.86
7.1.260.0040.00715.78
7.1.250.0060.00615.82
7.1.240.0080.00815.76
7.1.230.0040.01415.86
7.1.220.0040.00815.56
7.1.210.0100.00315.50
7.1.200.0020.01215.61
7.1.190.0100.00715.88
7.1.180.0090.00615.44
7.1.170.0120.00315.77
7.1.160.0040.00915.44
7.1.150.0070.00715.82
7.1.140.0040.00815.85
7.1.130.0000.01415.86
7.1.120.0030.01015.82
7.1.110.0070.01015.79
7.1.100.0070.00716.77
7.1.90.0100.00715.90
7.1.80.0100.00615.88
7.1.70.0050.00816.29
7.1.60.0070.00316.44
7.1.50.0130.00816.41
7.1.40.0080.00515.81
7.1.30.0060.00915.57
7.1.20.0030.01015.39
7.1.10.0060.00915.81
7.1.00.0070.03719.14
7.0.330.0060.00915.33
7.0.320.0110.00315.47
7.0.310.0040.00815.07
7.0.300.0040.01115.46
7.0.290.0060.00915.44
7.0.280.0080.00815.32
7.0.270.0030.00715.44
7.0.260.0000.00915.57
7.0.250.0060.00315.40
7.0.240.0040.01115.49
7.0.230.0100.00315.32
7.0.220.0030.01015.43
7.0.210.0100.00315.29
7.0.200.0080.00616.08
7.0.190.0030.01315.39
7.0.180.0030.01415.32
7.0.170.0000.01715.27
7.0.160.0000.01315.39
7.0.150.0080.00815.37
7.0.140.0020.04218.73
7.0.130.0100.00715.48
7.0.120.0060.00815.45
7.0.110.0070.00715.51
7.0.100.0030.00915.50
7.0.90.0060.00915.13
7.0.80.0110.00715.13
7.0.70.0070.01015.34
7.0.60.0100.03817.70
7.0.50.0070.02316.71
7.0.40.0050.03316.73
7.0.30.0160.04316.93
7.0.20.0150.02216.72
7.0.10.0130.03516.82
7.0.00.0030.03316.73
5.6.400.0060.00914.32
5.6.390.0000.01814.09
5.6.380.0000.01614.29
5.6.370.0070.00714.30
5.6.360.0030.00914.38
5.6.350.0120.00313.95
5.6.340.0000.01314.26
5.6.330.0070.00714.06
5.6.320.0030.01514.56
5.6.310.0060.01114.14
5.6.300.0060.00614.34
5.6.290.0100.00314.39
5.6.280.0080.03517.54
5.6.270.0070.01014.36
5.6.260.0000.01414.14
5.6.250.0090.00614.25
5.6.240.0110.00314.16
5.6.230.0030.00914.34
5.6.220.0060.01114.08
5.6.210.0130.03217.30
5.6.200.0060.03016.12
5.6.190.0050.02617.44
5.6.180.1870.02417.44
5.6.170.0140.04417.20
5.6.160.0040.04917.30
5.6.150.0060.02916.13
5.6.140.0070.02515.99
5.6.130.0020.04516.16
5.6.120.0130.04617.62
5.6.110.0080.02817.59
5.6.100.0100.04217.61
5.6.90.0090.04217.62
5.6.80.0100.04017.25
5.6.70.0120.04017.18
5.6.60.0030.00613.92
5.6.50.0110.00414.19
5.6.40.0000.01414.30
5.6.30.0040.00714.24
5.6.20.0080.00814.01
5.6.10.0130.00313.97
5.6.00.0070.01014.16
5.5.380.0000.00914.16
5.5.370.0000.01114.10
5.5.360.0040.01114.34
5.5.350.0160.04017.14
5.5.340.0120.02816.05
5.5.330.0100.03217.32
5.5.320.0120.03617.00
5.5.310.0230.03717.19
5.5.300.0020.03316.23
5.5.290.0090.03016.03
5.5.280.0070.04617.58
5.5.270.0050.03517.55
5.5.260.0100.02717.31
5.5.250.0020.02417.25
5.5.240.0000.02417.12
5.5.230.0110.00414.02
5.5.220.0030.00713.88
5.5.210.0030.00913.84
5.5.200.0060.00613.76
5.5.190.0120.00414.15
5.5.180.0000.01314.16
5.5.170.0060.00913.91
5.5.160.0000.01114.11
5.5.150.0070.00314.20
5.5.140.0000.01314.11
5.5.130.0120.00314.34
5.5.120.0000.01413.77
5.5.110.0060.00614.20
5.5.100.0030.00713.64
5.5.90.0030.00914.18
5.5.80.0070.00714.00
5.5.70.0070.00713.97
5.5.60.0070.01014.20
5.5.50.0060.00914.25
5.5.40.0030.01313.86
5.5.30.0000.01114.23
5.5.20.0030.01014.00
5.5.10.0050.00614.22
5.5.00.0060.00914.22
5.4.450.0320.03715.38
5.4.440.0430.03115.34
5.4.430.0550.02515.22
5.4.420.0060.03315.29
5.4.410.0050.03415.20
5.4.400.0170.02814.93
5.4.390.0180.02914.72
5.4.380.0100.03614.62
5.4.370.0070.03014.82
5.4.360.0100.03014.76
5.4.350.0100.02011.51
5.4.340.0070.02311.43
5.4.330.0090.00311.03
5.4.320.0050.02011.58
5.4.310.0050.02411.73
5.4.300.0050.02811.58
5.4.290.0040.03011.70
5.4.280.0060.02111.57
5.4.270.0020.02511.64
5.4.260.0040.02211.64
5.4.250.0110.02314.89
5.4.240.0050.02914.91
5.4.230.0070.03014.94
5.4.220.0110.03514.89
5.4.210.0060.02814.91
5.4.200.0080.02814.86
5.4.190.0100.02414.96
5.4.180.0030.03314.83
5.4.170.0040.04014.91
5.4.160.0050.02914.92
5.4.150.0070.04014.77
5.4.140.0030.03913.78
5.4.130.0080.02513.86
5.4.120.0080.02313.65
5.4.110.0080.04013.46
5.4.100.0080.02613.68
5.4.90.0080.02613.66
5.4.80.0090.02413.65
5.4.70.0030.02913.71
5.4.60.0100.03213.76
5.4.50.0030.03013.71
5.4.40.0050.02813.73
5.4.30.0170.02713.68
5.4.20.0080.02513.56
5.4.10.0050.03013.55
5.4.00.0050.02513.32
5.3.290.0010.02411.57
5.3.280.0110.02312.21
5.3.270.0050.03212.33
5.3.260.0020.03512.47
5.3.250.0020.02912.41
5.3.240.0080.02512.40
5.3.230.0050.03012.15
5.3.220.0080.02712.35
5.3.210.0060.03312.27
5.3.200.0050.03912.26
5.3.190.0020.03312.34
5.3.180.0030.03012.42
5.3.170.0020.03212.44
5.3.160.0070.02812.47
5.3.150.0030.03812.43
5.3.140.0090.03212.36
5.3.130.0060.02912.40
5.3.120.0030.04312.44
5.3.110.0040.02712.39
5.3.100.0080.03312.17
5.3.90.0100.03312.12
5.3.80.0070.02811.94
5.3.70.0050.02912.14
5.3.60.0030.03112.16
5.3.50.0120.02512.00
5.3.40.0050.02812.07
5.3.30.0100.02312.05
5.3.20.0060.02811.89
5.3.10.0060.03511.76
5.3.00.0090.02211.71
5.2.170.0070.04011.16
5.2.160.0070.04011.04
5.2.150.0030.04311.14
5.2.140.0100.03711.02
5.2.130.0100.04010.86
5.2.120.0100.03711.00
5.2.110.0100.03311.21
5.2.100.0000.04311.00
5.2.90.0030.04011.02
5.2.80.0030.05711.11
5.2.70.0100.03310.94
5.2.60.0070.05711.07
5.2.50.0030.04011.03
5.2.40.0070.03710.91
5.2.30.0100.03710.89
5.2.20.0170.04310.89
5.2.10.0030.04310.91
5.2.00.0000.04310.80
5.1.60.0070.03310.04
5.1.50.0130.04010.22
5.1.40.0030.0339.88
5.1.30.0030.03710.41
5.1.20.0100.04010.52
5.1.10.0030.0509.85
5.1.00.0100.04310.11
5.0.50.0030.0408.47
5.0.40.0000.0308.32
5.0.30.0030.0407.98
5.0.20.0030.0338.28
5.0.10.0030.0278.09
5.0.00.0100.0478.11
4.4.90.0070.0176.90
4.4.80.0070.0176.90
4.4.70.0030.0206.90
4.4.60.0070.0206.90
4.4.50.0030.0206.90
4.4.40.0070.0376.90
4.4.30.0000.0336.90
4.4.20.0070.0276.90
4.4.10.0030.0336.90
4.4.00.0070.0276.90
4.3.110.0030.0236.90
4.3.100.0030.0276.90
4.3.90.0030.0306.90
4.3.80.0030.0306.90
4.3.70.0000.0236.90
4.3.60.0030.0206.90
4.3.50.0030.0206.90
4.3.40.0070.0306.90
4.3.30.0000.0236.90
4.3.20.0000.0236.90
4.3.10.0000.0236.90
4.3.00.0070.0176.94

preferences:
43.49 ms | 401 KiB | 5 Q