3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array('bar' => 'blah'); unset($foo['notexists']); var_dump($foo);

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)
8.3.70.0040.01116.58
8.3.60.0110.00716.50
8.3.50.0110.00922.81
8.3.40.0140.00018.60
8.3.30.0090.00518.91
8.3.20.0050.00320.22
8.3.10.0000.00820.53
8.3.00.0040.00420.77
8.2.180.0140.00718.17
8.2.170.0110.00322.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.01126.16
8.2.120.0040.00419.50
8.2.110.0090.00019.21
8.2.100.0040.00817.64
8.2.90.0000.00719.25
8.2.80.0000.00719.41
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0030.00518.28
8.2.30.0030.00319.36
8.2.20.0030.00517.70
8.2.10.0000.00718.09
8.2.00.0050.00517.66
8.1.280.0090.01225.92
8.1.270.0080.00023.79
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00622.34
8.1.230.0080.00320.95
8.1.220.0000.00718.77
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0080.00017.28
8.1.180.0000.00818.10
8.1.170.0040.00418.53
8.1.160.0000.00718.74
8.1.150.0070.00018.88
8.1.140.0040.00417.35
8.1.130.0030.00317.81
8.1.120.0060.00317.33
8.1.110.0030.00517.42
8.1.100.0030.00317.23
8.1.90.0030.00617.36
8.1.80.0050.00217.24
8.1.70.0040.00417.23
8.1.60.0000.00817.51
8.1.50.0040.00417.49
8.1.40.0060.00317.42
8.1.30.0030.00617.56
8.1.20.0030.00517.57
8.1.10.0040.00417.34
8.1.00.0040.00417.43
8.0.300.0040.00420.02
8.0.290.0080.00016.93
8.0.280.0030.00318.28
8.0.270.0080.00017.19
8.0.260.0000.00917.18
8.0.250.0000.00716.79
8.0.240.0030.00316.82
8.0.230.0070.00016.94
8.0.220.0030.00316.88
8.0.210.0070.00016.77
8.0.200.0000.00716.86
8.0.190.0030.00316.94
8.0.180.0050.00216.73
8.0.170.0050.00316.71
8.0.160.0070.00016.93
8.0.150.0040.00416.66
8.0.140.0000.00816.81
8.0.130.0040.00413.18
8.0.120.0030.00716.80
8.0.110.0040.00416.81
8.0.100.0000.00716.59
8.0.90.0000.00716.80
8.0.80.0150.00616.73
8.0.70.0000.00716.88
8.0.60.0000.00716.85
8.0.50.0040.00416.77
8.0.30.0080.01117.03
8.0.20.0060.01317.40
8.0.10.0040.00417.00
8.0.00.0120.00916.65
7.4.330.0000.00515.03
7.4.320.0000.00716.46
7.4.300.0060.00016.34
7.4.290.0070.00016.51
7.4.280.0080.00016.59
7.4.270.0000.00716.54
7.4.260.0000.00716.47
7.4.250.0050.00316.41
7.4.240.0020.00516.53
7.4.230.0070.00016.45
7.4.220.0070.02016.44
7.4.210.0130.00316.61
7.4.200.0070.00016.48
7.4.160.0000.01716.57
7.4.150.0090.00917.40
7.4.140.0050.01617.86
7.4.130.0100.01016.58
7.4.120.0100.00716.53
7.4.110.0130.01116.54
7.4.100.0070.01016.36
7.4.90.0060.01816.50
7.4.80.0170.02119.39
7.4.70.0130.00716.59
7.4.60.0130.00816.40
7.4.50.0050.00016.45
7.4.40.0160.00016.47
7.4.30.0110.01116.43
7.4.00.0090.00614.69
7.3.330.0030.00313.03
7.3.320.0030.00313.05
7.3.310.0070.00016.20
7.3.300.0000.00616.23
7.3.290.0050.01016.20
7.3.280.0090.01016.20
7.3.270.0070.01017.40
7.3.260.0130.00316.61
7.3.250.0120.00816.23
7.3.240.0060.01616.16
7.3.230.0160.00016.54
7.3.210.0090.00716.35
7.3.200.0170.00319.39
7.3.190.0140.00316.34
7.3.180.0070.01316.16
7.3.170.0160.00016.37
7.3.160.0060.00916.44
7.3.10.0070.00716.63
7.3.00.0070.00716.69
7.2.330.0090.00916.67
7.2.320.0110.00616.23
7.2.310.0080.01116.56
7.2.300.0110.00516.55
7.2.290.0090.00916.48
7.2.130.0040.01116.59
7.2.120.0030.01316.74
7.2.110.0070.00416.58
7.2.100.0060.01016.80
7.2.90.0090.00616.85
7.2.80.0000.01416.99
7.2.70.0070.00716.62
7.2.60.0000.01516.79
7.2.50.0070.00716.78
7.2.40.0050.00516.80
7.2.30.0030.01016.79
7.2.20.0050.00516.62
7.2.10.0000.01216.60
7.2.00.0080.00717.93
7.1.250.0080.00715.64
7.1.100.0000.01418.24
7.1.70.0030.00517.24
7.1.60.0090.01619.34
7.1.50.0140.00916.81
7.1.00.0030.07722.35
7.0.200.0060.00316.78
7.0.140.0000.06322.18
7.0.60.0100.03719.91
7.0.50.0030.07717.66
7.0.40.0070.09319.98
7.0.30.0270.05320.13
7.0.20.0130.06020.16
7.0.10.0370.06320.13
7.0.00.0000.06320.44
5.6.280.0030.07321.04
5.6.210.0070.07720.45
5.6.200.0130.07318.17
5.6.190.0070.04020.57
5.6.180.0130.04720.37
5.6.170.0270.06320.51
5.6.160.0100.07320.54
5.6.150.0100.07718.16
5.6.140.0070.07718.18
5.6.130.0100.06318.14
5.6.120.0100.05321.11
5.6.110.0000.04321.01
5.6.100.0100.07020.95
5.6.90.0000.04321.11
5.6.80.0070.05320.53
5.6.70.3500.03320.36
5.5.350.0070.08020.37
5.5.340.0070.04017.98
5.5.330.0130.08020.23
5.5.320.0230.03320.29
5.5.310.0170.04020.23
5.5.300.0170.04317.98
5.5.290.0000.04717.95
5.5.280.0070.04720.87
5.5.270.0070.03720.75
5.5.260.0100.07320.95
5.5.250.0130.07320.60
5.5.240.0100.08020.18
5.4.450.0200.05337.91
5.4.440.0470.05337.91
5.4.430.0370.03337.90
5.4.420.0100.05719.49
5.4.410.0230.05718.91
5.4.400.0170.05718.69
5.4.390.0030.06018.68
5.4.380.0100.07718.53
5.4.370.0200.04718.68
5.4.360.0030.06718.48
5.4.350.0070.03713.71
5.4.340.0100.03313.66
5.4.320.0070.03714.13
5.4.310.0070.04714.18
5.4.300.0170.03314.22
5.4.290.0100.03714.20
5.4.280.0070.04014.20
5.4.270.0000.04314.25
5.4.260.0070.04014.25
5.4.250.0130.03314.05
5.4.240.0070.03714.05
5.4.230.0100.03714.01
5.4.220.0100.04014.25
5.4.210.0070.04014.20
5.4.200.0030.04314.07
5.4.190.0070.04314.20
5.4.180.0130.03314.24
5.4.170.0100.04014.15
5.4.160.0070.04014.09
5.4.150.0130.03014.02
5.4.140.0130.03313.69
5.4.130.0170.03313.68
5.4.120.0130.04013.67
5.4.110.0200.03713.66
5.4.100.0100.04013.71
5.4.90.0070.04313.64
5.4.80.0130.04013.71
5.4.70.0070.04713.72
5.4.60.0100.04313.68
5.4.50.0130.04313.79
5.4.40.0100.03713.62
5.4.30.0030.04313.70
5.4.20.0100.04013.64
5.4.10.0070.04713.62
5.4.00.0070.04713.27
5.3.290.0100.04714.52
5.3.280.0070.04314.62
5.3.270.0100.04014.52
5.3.260.0030.05314.53
5.3.250.0030.05014.63
5.3.240.0100.04714.61
5.3.230.0070.04714.51
5.3.220.0030.06014.59
5.3.210.0100.04714.50
5.3.200.0170.03014.43
5.3.190.0100.04314.61
5.3.180.0100.04314.41
5.3.170.0070.04314.41
5.3.160.0270.03314.49
5.3.150.0200.03714.47
5.3.140.0030.04714.56
5.3.130.0100.03714.51
5.3.120.0030.04714.45
5.3.110.0070.05314.54
5.3.100.0100.03713.88
5.3.90.0030.04313.98
5.3.80.0030.04713.91
5.3.70.0030.04014.04
5.3.60.0100.03713.84
5.3.50.0200.02713.82
5.3.40.0100.04713.86
5.3.30.0170.03713.75
5.3.20.0000.04713.54
5.3.10.0070.04313.54
5.3.00.0130.04013.55
5.2.170.0070.03011.19
5.2.160.0000.03311.03
5.2.150.0130.03311.01
5.2.140.0070.03011.13
5.2.130.0130.02311.09
5.2.120.0100.02711.08
5.2.110.0200.02011.08
5.2.100.0000.03711.14
5.2.90.0100.02711.07
5.2.80.0000.03311.08
5.2.70.0100.02711.01
5.2.60.0070.03311.14
5.2.50.0130.02710.93
5.2.40.0030.03310.97
5.2.30.0030.03310.95
5.2.20.0070.03010.82
5.2.10.0030.03010.77
5.2.00.0070.03010.71
5.1.60.0100.0209.96
5.1.50.0030.0279.99
5.1.40.0030.02710.03
5.1.30.0030.03010.29
5.1.20.0000.03310.41
5.1.10.0070.0309.97
5.1.00.0030.03010.03
5.0.50.0100.0208.60
5.0.40.0070.0208.41
5.0.30.0100.0238.30
5.0.20.0100.0178.16
5.0.10.0030.0208.12
5.0.00.0030.0308.22
4.4.90.0000.0205.82
4.4.80.0030.0135.80
4.4.70.0030.0205.82
4.4.60.0000.0175.80
4.4.50.0000.0235.80
4.4.40.0000.0305.81
4.4.30.0000.0205.84
4.4.20.0100.0135.93
4.4.10.0030.0175.85
4.4.00.0000.0335.85
4.3.110.0000.0235.75
4.3.100.0000.0175.75
4.3.90.0070.0135.74
4.3.80.0000.0305.76
4.3.70.0000.0175.78
4.3.60.0030.0135.82
4.3.50.0000.0205.85
4.3.40.0070.0205.72
4.3.30.0030.0174.46
4.3.20.0000.0204.49
4.3.10.0070.0134.43
4.3.00.0000.01337.85

preferences:
45.8 ms | 401 KiB | 5 Q