3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Current. $array = ['foo' => 1, 'bar' => 2, 'baz' => 3]; unset($array['bar']); $reversed = array_reverse($array); $reversed['bar'] = 4; $new = array_reverse($reversed); print_r($new); // unset & + $array = ['foo' => 1, 'bar' => 2, 'baz' => 3]; $array = ['bar' => '4'] + $array; print_r($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)
8.4.130.0130.00817.73
8.4.120.0140.00617.91
8.4.110.0100.01020.36
8.4.100.0130.00717.86
8.4.90.0110.01022.59
8.4.80.0050.00318.86
8.4.70.0090.00718.91
8.4.60.0130.00718.74
8.4.50.0130.00718.53
8.4.40.0200.00020.82
8.4.30.0110.01122.30
8.4.20.0060.01220.55
8.4.10.0030.00619.57
8.3.260.0110.00616.54
8.3.250.0040.00518.92
8.3.240.0060.00216.65
8.3.230.0130.00616.66
8.3.220.0060.00219.00
8.3.210.0110.00918.35
8.3.200.0070.00216.72
8.3.190.0100.00516.81
8.3.180.0020.00616.73
8.3.170.0140.00418.95
8.3.160.0080.00020.73
8.3.150.0140.00418.39
8.3.140.0050.00317.34
8.3.130.0040.00418.25
8.3.120.0090.00918.99
8.3.110.0040.00416.49
8.3.100.0050.00520.12
8.3.90.0060.00316.61
8.3.80.0040.00818.43
8.3.70.0090.00918.43
8.3.60.0070.01118.05
8.3.50.0140.00322.76
8.3.40.0070.00718.77
8.3.30.0080.00818.84
8.3.20.0040.00421.90
8.3.10.0040.00420.19
8.3.00.0080.00023.68
8.2.290.0070.01216.84
8.2.280.0140.00518.64
8.2.270.0000.00919.04
8.2.260.0040.00416.82
8.2.250.0080.01516.79
8.2.240.0130.00617.21
8.2.230.0080.00020.94
8.2.220.0040.00424.06
8.2.210.0070.00726.77
8.2.200.0040.00418.54
8.2.190.0090.00618.41
8.2.180.0130.00316.63
8.2.170.0090.00622.96
8.2.160.0070.00721.02
8.2.150.0060.00324.18
8.2.140.0000.00724.66
8.2.130.0070.01026.16
8.2.120.0040.00426.16
8.2.110.0000.00921.98
8.2.100.0060.00617.78
8.2.90.0000.00817.84
8.2.80.0000.00818.04
8.2.70.0030.00517.80
8.2.60.0000.00718.16
8.2.50.0030.00518.10
8.2.40.0040.00419.13
8.2.30.0040.00419.32
8.2.20.0000.00717.94
8.2.10.0000.00719.25
8.2.00.0060.00319.11
8.1.330.0120.00716.29
8.1.320.0120.00816.27
8.1.310.0040.00418.32
8.1.300.0090.00017.94
8.1.290.0040.00418.88
8.1.280.0110.00425.92
8.1.270.0030.00522.14
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0030.00522.14
8.1.230.0030.00721.05
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0060.00317.36
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0000.00818.62
8.1.160.0000.00718.74
8.1.150.0070.00018.84
8.1.140.0000.00718.74
8.1.130.0070.00020.14
8.1.120.0070.00017.29
8.1.110.0050.00317.30
8.1.100.0040.00417.36
8.1.90.0000.00717.36
8.1.80.0040.00417.29
8.1.70.0070.00017.30
8.1.60.0040.00417.58
8.1.50.0030.00617.36
8.1.40.0000.00817.51
8.1.30.0030.00617.60
8.1.20.0040.00417.49
8.1.10.0040.00417.51
8.1.00.0040.00417.46
8.0.300.0080.00021.95
8.0.290.0050.00316.63
8.0.280.0000.00718.40
8.0.270.0000.00816.73
8.0.260.0090.00018.36
8.0.250.0000.00717.02
8.0.240.0070.00016.96
8.0.230.0000.00716.83
8.0.220.0050.00316.95
8.0.210.0040.00416.85
8.0.200.0030.00316.96
8.0.190.0030.00516.94
8.0.180.0030.00516.89
8.0.170.0060.00316.80
8.0.160.0040.00416.84
8.0.150.0040.00416.82
8.0.140.0040.00416.75
8.0.130.0030.00313.32
8.0.120.0040.00416.76
8.0.110.0070.00016.88
8.0.100.0070.00017.01
8.0.90.0030.00516.70
8.0.80.0100.01116.92
8.0.70.0070.00016.88
8.0.60.0040.00416.91
8.0.50.0050.00316.81
8.0.30.0120.00516.89
8.0.20.0100.01017.15
8.0.10.0050.00216.96
8.0.00.0090.01016.80
7.4.330.0030.00315.55
7.4.320.0070.00016.59
7.4.300.0000.00616.60
7.4.290.0070.00016.41
7.4.280.0070.00316.56
7.4.270.0080.00016.56
7.4.260.0000.00716.61
7.4.250.0000.00816.56
7.4.240.0020.00516.54
7.4.230.0070.00016.40
7.4.220.0000.00716.69
7.4.210.0060.00916.61
7.4.200.0070.00016.40
7.4.140.0160.00917.86
7.4.130.0100.00716.73
7.4.120.0130.00316.41
7.4.110.0140.00616.34
7.4.100.0070.01116.48
7.4.90.0070.01016.63
7.4.80.0100.00719.39
7.4.70.0040.01216.51
7.4.60.0060.01416.33
7.4.50.0150.00016.37
7.4.40.0090.00916.59
7.4.00.0050.01114.68
7.3.330.0030.00313.00
7.3.320.0000.00613.19
7.3.310.0040.00416.13
7.3.300.0000.00716.24
7.3.290.0020.00516.11
7.3.280.0100.01016.17
7.3.260.0110.00716.35
7.3.240.0090.00916.56
7.3.230.0070.01016.19
7.3.210.0100.00716.56
7.3.200.0060.01316.21
7.3.190.0120.00416.44
7.3.180.0120.00316.41
7.3.170.0110.01116.49
7.3.160.0100.00716.48
7.3.120.0070.01014.71
7.3.110.0030.01414.85
7.3.100.0070.00715.05
7.3.90.0040.00414.97
7.3.80.0070.00814.44
7.3.70.0030.01214.60
7.3.60.0070.00714.65
7.3.50.0070.00614.81
7.3.40.0100.00314.77
7.3.30.0090.00314.70
7.3.20.0060.01116.38
7.3.10.0060.00816.32
7.3.00.0040.01116.54
7.2.330.0100.00616.30
7.2.320.0000.01616.61
7.2.310.0000.01616.44
7.2.300.0130.00416.28
7.2.290.0040.01216.67
7.2.250.0120.00315.14
7.2.240.0100.00714.62
7.2.230.0030.00615.03
7.2.220.0000.01315.04
7.2.210.0090.00614.97
7.2.200.0050.00715.04
7.2.190.0100.00314.83
7.2.180.0010.01114.85
7.2.170.0090.00415.06
7.2.160.0140.00715.03
7.2.150.0040.00816.96
7.2.140.0090.00316.82
7.2.130.0120.00316.50
7.2.120.0070.01016.67
7.2.110.0060.00916.88
7.2.100.0090.00616.75
7.2.90.0070.00716.77
7.2.80.0070.00716.81
7.2.70.0090.00616.52
7.2.60.0100.00316.82
7.2.50.0090.00616.76
7.2.40.0120.00316.79
7.2.30.0110.00416.78
7.2.20.0110.00416.72
7.2.10.0080.00316.70
7.2.00.0090.00916.87
7.1.330.0030.01015.90
7.1.320.0030.00715.93
7.1.310.0120.00315.62
7.1.300.0070.00615.58
7.1.290.0070.00615.98
7.1.280.0050.00815.72
7.1.270.0080.00815.65
7.1.260.0070.00715.72
7.1.250.0100.00315.63

preferences:
27.9 ms | 403 KiB | 5 Q