3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 'one' => 1, 'two' => 1, 'three' => 1, ]; unset($arr['two']); $arr['two'] = 2; print_r($arr);

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)
8.3.70.0120.00616.75
8.3.60.0060.01018.43
8.3.50.0170.00421.99
8.3.40.0090.00918.84
8.3.30.0070.00718.55
8.3.20.0070.00019.33
8.3.10.0040.00423.45
8.3.00.0080.00020.77
8.2.190.0070.01416.63
8.2.180.0100.00718.54
8.2.170.0110.00418.66
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00721.04
8.2.110.0090.00019.30
8.2.100.0080.00319.77
8.2.90.0080.00019.17
8.2.80.0050.00317.97
8.2.70.0040.00817.25
8.2.60.0000.00819.53
8.2.50.0080.00018.10
8.2.40.0040.00420.60
8.2.30.0030.00919.29
8.2.20.0000.00717.73
8.2.10.0040.00418.06
8.2.00.0040.00418.04
8.1.280.0100.01025.92
8.1.270.0040.00423.91
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00621.24
8.1.230.0040.00817.95
8.1.220.0080.00017.79
8.1.210.0000.00818.77
8.1.200.0090.00017.23
8.1.190.0080.00017.23
8.1.180.0000.00718.10
8.1.170.0030.00518.47
8.1.160.0070.00019.02
8.1.150.0040.00418.88
8.1.140.0050.00519.43
8.1.130.0000.00717.64
8.1.120.0030.00317.41
8.1.110.0000.00817.37
8.1.100.0040.00417.39
8.1.90.0050.00317.40
8.1.80.0040.00417.30
8.1.70.0000.00717.32
8.1.60.0000.00817.55
8.1.50.0040.00417.52
8.1.40.0040.00417.45
8.1.30.0000.00917.43
8.1.20.0040.00417.47
8.1.10.0040.00417.50
8.1.00.0040.00417.44
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.30
8.0.270.0070.00017.07
8.0.260.0000.00617.20
8.0.250.0040.00416.84
8.0.240.0000.00716.89
8.0.230.0000.00816.76
8.0.220.0000.00816.87
8.0.210.0040.00416.73
8.0.200.0000.00716.73
8.0.190.0070.00416.82
8.0.180.0080.00016.86
8.0.170.0040.00416.86
8.0.160.0040.00416.92
8.0.150.0040.00416.73
8.0.140.0070.00016.78
8.0.130.0030.00313.23
8.0.120.0000.00716.68
8.0.110.0070.00016.82
8.0.100.0000.00716.79
8.0.90.0000.00716.85
8.0.80.0000.01716.82
8.0.70.0070.00016.85
8.0.60.0000.00716.83
8.0.50.0070.00016.70
8.0.30.0150.00317.22
8.0.20.0060.01517.40
8.0.10.0000.00816.80
8.0.00.0100.00716.58
7.4.330.0000.00516.72
7.4.320.0000.00616.58
7.4.300.0060.00016.38
7.4.290.0000.00716.60
7.4.280.0040.00416.62
7.4.270.0030.00316.53
7.4.260.0000.00716.45
7.4.250.0000.00716.46
7.4.240.0040.00416.61
7.4.230.0030.00316.57
7.4.220.0060.01216.51
7.4.210.0100.00716.68
7.4.200.0030.00316.70
7.4.160.0110.00416.45
7.4.150.0200.00317.40
7.4.140.0100.00817.86
7.4.130.0050.01216.46
7.4.120.0070.01116.44
7.4.110.0120.00416.55
7.4.100.0110.00716.30
7.4.90.0130.01016.55
7.4.80.0100.00619.39
7.4.70.0070.01016.38
7.4.60.0030.01316.61
7.4.50.0080.00416.43
7.4.40.0120.01516.25
7.4.30.0140.00316.50
7.4.10.0090.00914.86
7.4.00.0050.01314.89
7.3.330.0060.00013.10
7.3.320.0050.00013.01
7.3.310.0000.00716.35
7.3.300.0030.00316.31
7.3.290.0060.00816.24
7.3.280.0100.00716.27
7.3.270.0110.00717.40
7.3.260.0110.00916.41
7.3.250.0130.00716.27
7.3.240.0100.01216.25
7.3.230.0130.00316.64
7.3.210.0090.00916.25
7.3.200.0130.00316.58
7.3.190.0070.01116.22
7.3.180.0090.01216.24
7.3.170.0070.01016.19
7.3.160.0030.01716.24
7.3.130.0030.01314.57
7.3.120.0070.01214.89
7.3.110.0070.01214.72
7.3.100.0050.01014.84
7.3.90.0050.00814.83
7.3.80.0070.00714.77
7.3.70.0070.00814.67
7.3.60.0080.00714.67
7.3.50.0050.00914.75
7.3.40.0060.00914.78
7.3.30.0140.00114.84
7.3.20.0100.00316.65
7.3.10.0060.00616.61
7.3.00.0100.00416.72
7.2.330.0100.00716.27
7.2.320.0090.00816.20
7.2.310.0100.01016.44
7.2.300.0060.00916.61
7.2.290.0100.00616.34
7.2.260.0110.00714.95
7.2.250.0130.00714.99
7.2.240.0020.01614.90
7.2.230.0080.00814.73
7.2.220.0070.00715.04
7.2.210.0030.00914.76
7.2.200.0110.00514.88
7.2.190.0050.00814.85
7.2.180.0070.00914.63
7.2.170.0090.00814.98
7.2.160.0060.00614.55
7.2.150.0000.01316.42
7.2.140.0070.00716.90
7.2.130.0030.01016.84
7.2.120.0130.00316.80
7.2.110.0070.00316.96
7.2.100.0070.00716.79
7.2.90.0100.00616.77
7.2.80.0000.01516.75
7.2.70.0140.00716.68
7.2.60.0080.00616.68
7.2.50.0050.01216.57
7.2.40.0000.01316.82
7.2.30.0060.00916.80
7.2.20.0100.00716.62
7.2.10.0040.00816.74
7.2.00.0040.01116.79
7.1.330.0080.00515.89
7.1.320.0100.00215.72
7.1.310.0120.00215.67
7.1.300.0060.00815.95
7.1.290.0070.00615.80
7.1.280.0060.00915.77
7.1.270.0070.00715.79
7.1.260.0060.00915.62
7.1.250.0100.00315.85
7.1.240.0000.00915.91
7.1.230.0070.00715.84
7.1.220.0070.01015.98
7.1.210.0030.01015.51
7.1.200.0070.00715.60
7.1.190.0030.00715.97
7.1.180.0070.00715.70
7.1.170.0090.00915.87
7.1.160.0000.00915.95
7.1.150.0060.00915.95
7.1.140.0030.00615.98
7.1.130.0070.00715.95
7.1.120.0070.00715.71
7.1.110.0000.01615.92
7.1.100.0100.00417.10
7.1.90.0080.00415.88
7.1.80.0000.01215.79
7.1.70.0030.00716.46
7.1.60.0070.01317.55
7.1.50.0030.00615.84
7.1.40.0030.00615.65
7.1.30.0090.00015.93
7.1.20.0000.00815.74
7.1.10.0040.01115.85
7.1.00.0050.04219.08
7.0.330.0040.00715.50
7.0.320.0040.00815.36
7.0.310.0070.00415.30
7.0.300.0080.00415.32
7.0.290.0090.00615.32
7.0.280.0060.00915.26
7.0.270.0070.00715.36
7.0.260.0000.01115.50
7.0.250.0070.00715.58
7.0.240.0030.00715.27
7.0.230.0130.00015.66
7.0.220.0000.01115.16
7.0.210.0080.00815.21
7.0.200.0090.00715.01
7.0.190.0030.01015.57
7.0.180.0080.00815.29
7.0.170.0000.01515.55
7.0.160.0070.00715.58
7.0.150.0050.00515.07
7.0.140.0110.00415.65
7.0.130.0090.00015.55
7.0.120.0000.01315.62
7.0.110.0070.00715.38
7.0.100.0070.00415.46
7.0.90.0080.00015.48
7.0.80.0100.00015.50
7.0.70.0640.03017.70
7.0.60.0700.03817.65
7.0.50.0570.03317.74
7.0.40.0700.04016.86
7.0.30.0570.03316.87
7.0.20.0710.04516.98
7.0.10.0560.03616.90
7.0.00.0700.03416.88
5.6.400.0070.00714.45
5.6.390.0100.00314.40
5.6.380.0070.01014.36
5.6.370.0070.00714.65
5.6.360.0030.00714.12
5.6.350.0000.01214.50
5.6.340.0080.00314.41
5.6.330.0090.00314.38
5.6.320.0030.01214.23
5.6.310.0030.00714.65
5.6.300.0060.00614.28
5.6.290.0060.00613.96
5.6.280.0050.03717.76
5.6.270.0000.01414.30
5.6.260.0050.00314.68
5.6.250.0000.01414.55
5.6.240.0040.01114.43
5.6.230.0120.00014.28
5.6.220.0420.03317.58
5.6.210.0650.03517.44
5.6.200.0630.02717.66
5.6.190.0460.03117.59
5.6.180.0480.03517.62
5.6.170.0600.03017.67
5.6.160.0500.03217.73
5.6.150.0600.03417.67
5.6.140.0470.03717.77
5.6.130.0500.02817.78
5.6.120.0050.03717.67
5.6.110.0260.04917.61
5.6.100.0500.02817.76
5.6.90.0500.03717.80
5.6.80.0430.03317.20
5.6.70.0500.03017.38
5.6.60.0530.03417.24
5.6.50.0550.03517.40
5.6.40.0530.03017.48
5.6.30.0580.04517.36
5.6.20.0600.02917.45
5.6.10.0540.03117.42
5.6.00.0550.03417.30
5.5.380.0000.01114.38
5.5.370.0000.01314.34
5.5.360.0510.03517.35
5.5.350.0470.03817.31
5.5.340.0500.03317.60
5.5.330.0450.03817.63
5.5.320.0530.03017.68
5.5.310.0500.03017.59
5.5.300.0580.03317.60
5.5.290.0400.04017.42
5.5.280.0110.03117.55
5.5.270.0520.05217.47
5.5.260.0480.03417.73
5.5.250.0550.03217.58
5.5.240.0490.03017.16
5.5.230.0560.04017.40
5.5.220.0580.02717.26
5.5.210.0480.03617.29
5.5.200.0530.03117.15
5.5.190.0450.03517.33
5.5.180.0600.03417.17
5.5.170.0040.00714.24
5.5.160.0480.03217.15
5.5.150.0500.02717.19
5.5.140.0570.04417.10
5.5.130.0470.04017.24
5.5.120.0500.03217.13
5.5.110.0550.03717.30
5.5.100.0590.02917.27
5.5.90.0630.02317.16
5.5.80.0650.02717.26
5.5.70.0590.03217.26
5.5.60.0600.02317.28
5.5.50.0590.03117.17
5.5.40.0520.03417.26
5.5.30.0450.03617.11
5.5.20.0580.03017.26
5.5.10.0600.03217.20
5.5.00.0590.02516.98

preferences:
18.38 ms | 401 KiB | 5 Q