3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1004 => "a", 4573 => "b", 7865 => "c", 8965 => "d", 9321 => "d"); unset($a[7865]); var_dump($a);

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)
8.3.70.0110.00416.75
8.3.60.0090.00616.75
8.3.50.0130.00821.97
8.3.40.0110.00418.62
8.3.30.0070.01018.92
8.3.20.0080.00020.21
8.3.10.0070.00721.58
8.3.00.0070.01119.00
8.2.190.0120.00916.58
8.2.180.0140.00418.54
8.2.170.0040.01122.96
8.2.160.0090.00922.06
8.2.150.0180.00024.18
8.2.140.0080.00024.66
8.2.130.0040.01126.16
8.2.120.0070.00019.77
8.2.110.0000.00922.30
8.2.100.0060.00617.75
8.2.90.0000.00819.14
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0040.00418.03
8.2.30.0000.00717.93
8.2.20.0000.00817.68
8.2.10.0000.00718.09
8.2.00.0040.00417.47
8.1.280.0110.00725.92
8.1.270.0030.00720.77
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.89
8.1.230.0100.00019.22
8.1.220.0030.00517.79
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0090.00017.23
8.1.180.0030.00518.10
8.1.170.0050.00518.46
8.1.160.0000.00721.93
8.1.150.0000.00718.81
8.1.140.0070.00017.30
8.1.130.0000.00717.81
8.1.120.0050.00217.41
8.1.110.0040.00417.37
8.1.100.0030.00617.37
8.1.90.0050.00317.31
8.1.80.0070.00017.29
8.1.70.0070.00017.36
8.1.60.0090.00017.52
8.1.50.0030.00617.43
8.1.40.0000.00717.31
8.1.30.0000.00817.48
8.1.20.0070.00317.57
8.1.10.0040.00417.43
8.1.00.0060.00617.37
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00718.43
8.0.270.0000.00717.06
8.0.260.0000.00717.08
8.0.250.0030.00316.91
8.0.240.0030.00316.90
8.0.230.0040.00416.90
8.0.220.0000.00716.80
8.0.210.0070.00016.73
8.0.200.0030.00316.89
8.0.190.0050.00316.79
8.0.180.0040.00416.88
8.0.170.0050.00316.86
8.0.160.0050.00216.86
8.0.150.0030.00316.66
8.0.140.0000.00716.83
8.0.130.0040.00313.18
8.0.120.0080.00016.68
8.0.110.0000.00716.72
8.0.100.0000.00716.64
8.0.90.0000.00716.85
8.0.80.0120.01216.77
8.0.70.0080.00016.81
8.0.60.0000.00716.62
8.0.50.0070.00016.76
8.0.30.0100.01517.13
8.0.20.0150.00717.40
8.0.10.0000.00816.76
8.0.00.0110.00816.61
7.4.330.0050.00015.03
7.4.320.0060.00016.61
7.4.300.0030.00316.49
7.4.290.0040.00416.45
7.4.280.0070.00016.63
7.4.270.0030.00316.58
7.4.260.0030.00316.43
7.4.250.0000.00716.54
7.4.240.0000.00716.63
7.4.230.0040.00416.60
7.4.220.0100.01016.63
7.4.210.0130.00716.46
7.4.200.0040.00416.35
7.4.160.0120.00516.57
7.4.150.0130.00517.40
7.4.140.0080.01117.86
7.4.130.0120.00516.46
7.4.120.0100.00716.45
7.4.110.0060.01216.39
7.4.100.0060.01016.58
7.4.90.0120.00616.32
7.4.80.0110.01419.39
7.4.70.0000.01616.23
7.4.60.0060.00916.50
7.4.50.0000.00416.46
7.4.40.0090.00816.25
7.4.30.0110.01816.61
7.4.00.0070.00915.01
7.3.330.0030.00313.03
7.3.320.0130.00013.06
7.3.310.0040.00416.06
7.3.300.0000.00716.03
7.3.290.0070.01016.18
7.3.280.0070.01116.17
7.3.270.0180.00017.40
7.3.260.0120.00416.43
7.3.250.0110.00816.25
7.3.240.0100.01016.31
7.3.230.0180.00016.39
7.3.210.0060.01116.19
7.3.200.0110.00619.39
7.3.190.0100.00716.25
7.3.180.0160.00016.48
7.3.170.0130.00916.27
7.3.160.0090.00616.29
7.3.120.0110.00714.45
7.3.110.0140.00314.98
7.3.100.0070.01014.79
7.3.90.0120.00314.68
7.3.80.0030.00914.82
7.3.70.0030.00914.65
7.3.60.0000.01614.66
7.3.50.0100.00314.48
7.3.40.0000.00914.65
7.3.30.0000.01314.49
7.3.20.0050.00516.42
7.3.10.0100.00316.78
7.3.00.0120.00316.63
7.2.330.0160.00316.52
7.2.320.0090.01516.55
7.2.310.0080.00816.23
7.2.300.0090.00916.59
7.2.290.0060.01216.51
7.2.250.0030.01714.59
7.2.240.0040.01814.57
7.2.230.0100.00714.84
7.2.220.0030.01014.43
7.2.210.0000.01214.73
7.2.200.0080.00414.86
7.2.190.0000.01714.54
7.2.180.0070.00714.98
7.2.170.0030.01014.80
7.2.00.0050.00519.38
7.1.330.0090.00615.68
7.1.320.0090.00315.91
7.1.310.0090.00915.85
7.1.300.0000.01415.64
7.1.290.0090.00315.84
7.1.280.0030.01015.54
7.1.270.0000.01415.81
7.1.260.0130.00015.72
7.1.100.0080.00817.88
7.1.70.0000.01016.95
7.1.60.0100.01419.50
7.1.50.0030.02016.91
7.1.00.0030.07722.45
7.0.200.0070.00716.82
7.0.140.0030.07322.19
7.0.60.0030.08019.91
7.0.50.0100.08017.81
7.0.40.0100.08320.11
7.0.30.0370.07320.02
7.0.20.0230.07720.33
7.0.10.0330.08020.09
7.0.00.0070.04020.08
5.6.280.0000.07720.88
5.6.210.0000.04320.65
5.6.200.0070.08718.11
5.6.190.0000.06320.41
5.6.180.0270.07720.30
5.6.170.0070.05020.71
5.6.160.0100.03720.49
5.6.150.0030.04318.20
5.6.140.0030.03718.08
5.6.130.0000.05018.07
5.6.120.0070.08320.86
5.6.110.0170.07721.00
5.6.100.0030.08720.99
5.6.90.0030.08721.09
5.6.80.0070.08320.50
5.6.70.0330.07020.51
5.5.350.0130.07020.43
5.5.340.0000.05317.98
5.5.330.0070.07720.21
5.5.320.0130.06320.21
5.5.310.0330.04720.21
5.5.300.0030.06717.88
5.5.290.0030.04317.88
5.5.280.0000.08020.80
5.5.270.0170.07320.83
5.5.260.0030.08020.96
5.5.250.0130.06720.57
5.5.240.0100.07720.28
5.4.450.0630.05719.44
5.4.440.0800.06319.41
5.4.430.0830.05719.63
5.4.420.0130.05319.60
5.4.410.0900.05719.42
5.4.400.0370.07018.83
5.4.390.0370.07318.78
5.4.380.0400.07318.68
5.4.370.0430.07018.74
5.4.360.0270.06718.49
5.4.350.0530.05018.59
5.4.340.0400.07318.49
5.4.320.0300.08318.52
5.4.310.0500.05718.74
5.4.300.0430.05018.67
5.4.290.0330.08318.64
5.4.280.0470.05718.80
5.4.270.0400.07018.50
5.4.260.0430.04718.68
5.4.250.0330.07018.64
5.4.240.0400.05718.77
5.4.230.0400.05718.71
5.4.220.0430.06018.76
5.4.210.0400.07318.73
5.4.200.0430.05016.73
5.4.190.0570.05318.66
5.4.180.0400.07018.57
5.4.170.0500.06718.67
5.4.160.0430.05318.47
5.4.150.0330.05018.68
5.4.140.0530.06316.20
5.4.130.0530.06316.35
5.4.120.0370.05716.22
5.4.110.0270.06316.26
5.4.100.0400.05016.30
5.4.90.0270.06016.16
5.4.80.0300.05016.14
5.4.70.0200.06716.08
5.4.60.0330.06716.27
5.4.50.0400.05716.18
5.4.40.0300.06016.20
5.4.30.0230.05716.11
5.4.20.0300.05316.22
5.4.10.0430.04016.04
5.4.00.0570.05015.52
5.3.290.0330.05714.62
5.3.280.0400.06314.60
5.3.270.0330.06014.54
5.3.260.0500.06314.64
5.3.250.0330.05014.70
5.3.240.0400.05714.70
5.3.230.0300.07014.49
5.3.220.0470.05714.47
5.3.210.0370.07714.64
5.3.200.0430.06714.55
5.3.190.0500.06014.54
5.3.180.0270.06314.57
5.3.170.0300.06014.63
5.3.160.0400.07014.52
5.3.150.0470.06314.49
5.3.140.0430.05314.64
5.3.130.0430.04714.52
5.3.120.0400.05714.47
5.3.110.0370.06314.48
5.3.100.0330.05713.96
5.3.90.0270.06713.93
5.3.80.0330.05713.99
5.3.70.0500.05313.93
5.3.60.0370.06714.09
5.3.50.0300.06013.88
5.3.40.0370.05313.89
5.3.30.0330.05013.99
5.3.20.0370.04713.78
5.3.10.0330.04713.64
5.3.00.0330.05313.53
5.2.170.0300.04711.17
5.2.160.0200.04711.11
5.2.150.0270.05711.20
5.2.140.0270.04711.07
5.2.130.0300.04311.14
5.2.120.0270.03711.14
5.2.110.0330.04711.14
5.2.100.0130.05711.14
5.2.90.0270.04011.02
5.2.80.0330.05311.13
5.2.70.0270.05311.07
5.2.60.0330.03710.97
5.2.50.0370.05011.15
5.2.40.0130.05011.02
5.2.30.0200.04310.88
5.2.20.0330.03310.91
5.2.10.0230.04310.81
5.2.00.0170.04710.86
5.1.60.0300.04010.02
5.1.50.0270.03310.02
5.1.40.0200.0409.98
5.1.30.0200.04710.43
5.1.20.0230.03710.41
5.1.10.0300.03310.20
5.1.00.0270.03010.20
5.0.50.0170.0278.55
5.0.40.0230.0308.52
5.0.30.0170.0408.21
5.0.20.0070.0338.39
5.0.10.0200.0238.20
5.0.00.0130.0508.34
4.4.90.0100.0275.93
4.4.80.0130.0235.81
4.4.70.0130.0205.91
4.4.60.0030.0305.91
4.4.50.0070.0235.89
4.4.40.0170.0405.81
4.4.30.0170.0235.89
4.4.20.0170.0205.96
4.4.10.0170.0205.96
4.4.00.0100.0405.93
4.3.110.0100.0275.84
4.3.100.0130.0275.85
4.3.90.0100.0205.82
4.3.80.0030.0405.91
4.3.70.0170.0175.87
4.3.60.0100.0275.87
4.3.50.0170.0205.81
4.3.40.0200.0275.78
4.3.30.0030.0234.61
4.3.20.0030.0274.61
4.3.10.0130.0234.61
4.3.00.0100.0307.11

preferences:
76.7 ms | 401 KiB | 5 Q