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 & += $array = ['foo' => 1, 'bar' => 2, 'baz' => 3]; unset($array['bar']); $array += ['bar' => '4']; print_r($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)
8.4.130.0100.01018.74
8.4.120.0120.00624.24
8.4.110.0140.00918.63
8.4.100.0090.00418.70
8.4.90.0040.00520.67
8.4.80.0070.00218.50
8.4.70.0120.00317.95
8.4.60.0050.00418.75
8.4.50.0120.00720.28
8.4.40.0130.00620.54
8.4.30.0060.01322.14
8.4.20.0080.00820.89
8.4.10.0000.00919.59
8.3.260.0110.00916.73
8.3.250.0090.00919.00
8.3.240.0100.00617.17
8.3.230.0060.00316.60
8.3.220.0080.01218.88
8.3.210.0100.00916.77
8.3.200.0070.00216.63
8.3.190.0050.00319.05
8.3.180.0110.00717.30
8.3.170.0070.01120.63
8.3.160.0100.00720.73
8.3.150.0100.00717.15
8.3.140.0040.00418.36
8.3.130.0000.00818.35
8.3.120.0080.00020.76
8.3.110.0090.00920.94
8.3.100.0090.00020.31
8.3.90.0080.00016.63
8.3.80.0060.00318.43
8.3.70.0070.01018.31
8.3.60.0150.00418.18
8.3.50.0160.00221.99
8.3.40.0090.00618.84
8.3.30.0090.00618.63
8.3.20.0040.00421.91
8.3.10.0040.00420.16
8.3.00.0040.00423.58
8.2.290.0130.00520.44
8.2.280.0140.00618.30
8.2.270.0070.01117.11
8.2.260.0070.01116.63
8.2.250.0090.00516.76
8.2.240.0080.00018.78
8.2.230.0080.00022.58
8.2.220.0060.00924.06
8.2.210.0090.00926.77
8.2.200.0030.00618.41
8.2.190.0090.00618.54
8.2.180.0150.00016.63
8.2.170.0060.01222.96
8.2.160.0090.00621.02
8.2.150.0090.00024.18
8.2.140.0000.00724.66
8.2.130.0060.01226.16
8.2.120.0040.00426.16
8.2.110.0040.00720.80
8.2.100.0000.01317.72
8.2.90.0000.00819.40
8.2.80.0020.00520.61
8.2.70.0060.00317.80
8.2.60.0030.00618.09
8.2.50.0060.00318.10
8.2.40.0070.00019.33
8.2.30.0000.00719.25
8.2.20.0000.00718.18
8.2.10.0040.00419.25
8.2.00.0090.00219.54
8.1.330.0080.01122.09
8.1.320.0110.00816.23
8.1.310.0040.01115.96
8.1.300.0100.01016.24
8.1.290.0040.00418.88
8.1.280.0070.00725.92
8.1.270.0040.00422.20
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00422.19
8.1.230.0070.00420.92
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.22
8.1.180.0050.00318.10
8.1.170.0050.00318.44
8.1.160.0000.00718.80
8.1.150.0000.00718.83
8.1.140.0020.00518.75
8.1.130.0000.00717.39
8.1.120.0040.00417.42
8.1.110.0030.00617.33
8.1.100.0080.00418.73
8.1.90.0040.00417.37
8.1.80.0090.00017.36
8.1.70.0000.00717.32
8.1.60.0040.00417.51
8.1.50.0040.00417.46
8.1.40.0050.00317.39
8.1.30.0040.00417.57
8.1.20.0070.00017.51
8.1.10.0000.00817.40
8.1.00.0040.00417.37
8.0.300.0000.00820.13
8.0.290.0000.00816.75
8.0.280.0000.00718.38
8.0.270.0000.00716.73
8.0.260.0040.00416.73
8.0.250.0030.00316.99
8.0.240.0000.00716.98
8.0.230.0030.00317.02
8.0.220.0000.00816.84
8.0.210.0030.00316.95
8.0.200.0060.00016.90
8.0.190.0000.00716.94
8.0.180.0070.00016.92
8.0.170.0000.00916.95
8.0.160.0050.00216.86
8.0.150.0030.00316.85
8.0.140.0000.00716.87
8.0.130.0030.00313.34
8.0.120.0070.00016.79
8.0.110.0070.00016.91
8.0.100.0040.00416.86
8.0.90.0040.00416.89
8.0.80.0120.00916.90
8.0.70.0040.00416.86
8.0.60.0030.00516.72
8.0.50.0030.00516.84
8.0.30.0100.00716.99
8.0.20.0180.01816.99
8.0.10.0040.00416.88
8.0.00.0100.00816.70
7.4.330.0000.00715.55
7.4.320.0000.00716.61
7.4.300.0030.00316.51
7.4.290.0040.00416.57
7.4.280.0030.00616.50
7.4.270.0030.00316.57
7.4.260.0070.00016.45
7.4.250.0030.00316.49
7.4.240.0020.00616.53
7.4.230.0030.00316.70
7.4.220.0030.00316.67
7.4.210.0100.00516.61
7.4.200.0000.00716.40
7.4.140.0140.00617.86
7.4.130.0120.00616.50
7.4.120.0080.00816.58
7.4.110.0160.00016.25
7.4.100.0130.00316.30
7.4.90.0030.01316.37
7.4.80.0090.00619.39
7.4.70.0170.00316.30
7.4.60.0080.00816.48
7.4.50.0070.01016.44
7.4.40.0100.01016.42
7.4.00.0080.00614.92
7.3.330.0020.00213.10
7.3.320.0000.00613.18
7.3.310.0040.00416.13
7.3.300.0000.00616.25
7.3.290.0030.00316.26
7.3.280.0120.00316.16
7.3.260.0110.00716.31
7.3.240.0080.01016.31
7.3.230.0040.01416.39
7.3.210.0110.00616.37
7.3.200.0030.01316.26
7.3.190.0050.01416.48
7.3.180.0110.00516.29
7.3.170.0060.01016.36
7.3.160.0090.00616.32
7.3.70.0130.00014.46
7.3.60.0030.00614.74
7.3.50.0060.01614.49
7.3.40.0040.00714.68
7.3.30.0130.00714.29
7.3.20.0090.01216.72
7.3.10.0000.01016.26
7.3.00.0040.00816.50
7.2.330.0060.01216.64
7.2.320.0070.01016.73
7.2.310.0100.00716.55
7.2.300.0100.00716.38
7.2.290.0100.00716.54
7.2.200.0030.00714.91
7.2.190.0000.01014.59
7.2.180.0100.00314.65
7.2.170.0060.00614.89
7.2.160.0060.00614.75
7.2.150.0150.00916.78
7.2.140.0090.01216.71
7.2.130.0060.00616.53
7.2.120.0070.01016.61
7.2.110.0030.01016.71
7.2.100.0060.00616.80
7.2.90.0080.00616.91
7.2.80.0090.00316.75
7.2.70.0130.00316.70
7.2.60.0110.00416.92
7.2.50.0000.01316.86
7.2.40.0090.00316.77
7.2.30.0050.00516.73
7.2.20.0080.00316.86
7.2.10.0060.00616.46
7.2.00.0030.00916.77
7.1.300.0060.00615.57
7.1.290.0070.00315.42
7.1.280.0080.00315.71
7.1.270.0060.00315.79
7.1.260.0150.00515.84
7.1.250.0060.00315.41

preferences:
137.3 ms | 403 KiB | 5 Q