3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = array("one"=>"blun","two"=>"blue","three"=>"blee", "four"=>"blor"); foreach($v as $key=>$val) { unset($v[$key]); } var_dump($v);

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)
8.3.60.0090.01218.43
8.3.50.0110.01022.10
8.3.40.0160.00018.53
8.3.30.0110.00318.71
8.3.20.0070.00020.34
8.3.10.0080.00020.40
8.3.00.0050.00320.21
8.2.180.0130.01018.16
8.2.170.0090.00622.96
8.2.160.0030.01020.45
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0080.00019.27
8.2.120.0000.00826.35
8.2.110.0030.00619.27
8.2.100.0000.01118.05
8.2.90.0000.00819.29
8.2.80.0040.00417.97
8.2.70.0070.00317.63
8.2.60.0040.00418.16
8.2.50.0040.00418.09
8.2.40.0040.00420.59
8.2.30.0000.00721.29
8.2.20.0050.00317.80
8.2.10.0040.00418.17
8.2.00.0040.00417.99
8.1.280.0070.01025.92
8.1.270.0050.00323.92
8.1.260.0040.00428.09
8.1.250.0000.00828.09
8.1.240.0000.00922.74
8.1.230.0040.00817.58
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0040.00418.64
8.1.160.0030.00520.84
8.1.150.0050.00218.95
8.1.140.0070.00019.63
8.1.130.0040.00417.61
8.1.120.0050.00317.36
8.1.110.0000.00717.49
8.1.100.0000.00817.42
8.1.90.0000.00817.52
8.1.80.0050.00217.52
8.1.70.0030.00317.46
8.1.60.0080.00017.48
8.1.50.0000.00717.52
8.1.40.0040.00417.55
8.1.30.0030.00517.55
8.1.20.0040.00417.59
8.1.10.0040.00417.39
8.1.00.0030.00617.42
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0030.00318.39
8.0.270.0030.00317.14
8.0.260.0060.00317.26
8.0.250.0040.00416.96
8.0.240.0050.00316.84
8.0.230.0000.00816.88
8.0.220.0070.00016.79
8.0.210.0000.00816.75
8.0.200.0000.00616.84
8.0.190.0000.00716.93
8.0.180.0040.00416.85
8.0.170.0080.00016.97
8.0.160.0070.00016.86
8.0.150.0040.00416.77
8.0.140.0040.00416.85
8.0.130.0030.00313.32
8.0.120.0040.00416.75
8.0.110.0050.00216.88
8.0.100.0000.00716.73
8.0.90.0040.00416.85
8.0.80.0110.00416.77
8.0.70.0000.00716.88
8.0.60.0000.00816.72
8.0.50.0040.00416.93
8.0.30.0030.01417.14
8.0.20.0140.00917.40
8.0.10.0030.00316.96
8.0.00.0100.00916.81
7.4.330.0050.00015.08
7.4.320.0000.00616.45
7.4.300.0060.00016.60
7.4.290.0000.00816.61
7.4.280.0050.00316.41
7.4.270.0000.00716.59
7.4.260.0070.00016.46
7.4.250.0000.00716.61
7.4.240.0000.00716.53
7.4.230.0070.00016.34
7.4.220.0070.01316.62
7.4.210.0100.01016.45
7.4.200.0040.00416.60
7.4.160.0030.01316.71
7.4.150.0060.01217.40
7.4.140.0100.01017.86
7.4.130.0070.01216.51
7.4.120.0080.00816.48
7.4.110.0100.00716.51
7.4.100.0100.01016.48
7.4.90.0070.01016.68
7.4.80.0120.00419.39
7.4.70.0090.01216.53
7.4.60.0040.01216.54
7.4.50.0030.00916.47
7.4.40.0070.01416.39
7.4.30.0120.00616.67
7.4.10.0030.01315.11
7.4.00.0070.01114.90
7.3.330.0000.00713.09
7.3.320.0060.00013.14
7.3.310.0070.00016.26
7.3.300.0080.00016.16
7.3.290.0060.01016.31
7.3.280.0120.00916.27
7.3.270.0030.01317.40
7.3.260.0030.01416.35
7.3.250.0110.00716.37
7.3.240.0050.01716.27
7.3.230.0110.00716.46
7.3.210.0120.00316.37
7.3.200.0140.00716.20
7.3.190.0140.00516.21
7.3.180.0090.00616.59
7.3.170.0150.00416.51
7.3.160.0120.00916.29
7.3.130.0100.00714.87
7.3.120.0080.00814.77
7.3.110.0060.01114.88
7.3.100.0050.01114.72
7.3.90.0040.01114.90
7.3.80.0070.00814.74
7.3.70.0110.00214.72
7.3.60.0020.00814.84
7.3.50.0030.01114.74
7.3.40.0090.00214.74
7.3.30.0030.00814.78
7.3.20.0090.00516.59
7.3.10.0070.00616.59
7.3.00.0030.00816.59
7.2.330.0130.00316.70
7.2.320.0100.01416.67
7.2.310.0100.01316.58
7.2.300.0100.00916.70
7.2.290.0090.00916.59
7.2.260.0040.01515.10
7.2.250.0030.01214.76
7.2.240.0040.01214.97
7.2.230.0040.01014.97
7.2.220.0020.01315.07
7.2.210.0080.00615.15
7.2.200.0090.00315.02
7.2.190.0070.00615.06
7.2.180.0050.00915.08
7.2.170.0070.00615.03
7.2.160.0060.00814.94
7.2.150.0100.00216.89
7.2.140.0080.00516.91
7.2.130.0060.00616.90
7.2.120.0080.00316.78
7.2.110.0070.00516.82
7.2.100.0090.00316.87
7.2.90.0080.00416.93
7.2.80.0020.01116.87
7.2.70.0030.01116.82
7.2.60.0030.01216.86
7.2.50.0040.00916.99
7.2.40.0060.00616.93
7.2.30.0050.01316.94
7.2.20.0040.00916.81
7.2.10.0050.00716.69
7.2.00.0070.01017.47
7.1.330.0050.01015.89
7.1.320.0080.00815.71
7.1.310.0070.00915.78
7.1.300.0020.01215.72
7.1.290.0040.01015.72
7.1.280.0050.00715.66
7.1.270.0030.01215.64
7.1.260.0040.00615.60
7.1.250.0040.00915.62
7.1.240.0040.00615.80
7.1.230.0010.00815.71
7.1.220.0090.00315.81
7.1.210.0030.00815.65
7.1.200.0080.00115.73
7.1.190.0080.00615.82
7.1.180.0080.00315.82
7.1.170.0070.00915.79
7.1.160.0090.00515.71
7.1.150.0050.01015.60
7.1.140.0050.00815.84
7.1.130.0080.00615.84
7.1.120.0060.00815.76
7.1.110.0060.01115.73
7.1.100.0040.00716.63
7.1.90.0070.00415.75
7.1.80.0080.00415.89
7.1.70.0050.00716.15
7.1.60.0080.00817.08
7.1.50.0070.00315.71
7.1.40.0070.00815.77
7.1.30.0050.01015.82
7.1.20.0050.01015.83
7.1.10.0030.00615.82
7.1.00.0120.02417.93
7.0.330.0050.00815.47
7.0.320.0020.01215.28
7.0.310.0050.00415.35
7.0.300.0040.00615.39
7.0.290.0010.01015.29
7.0.280.0050.01015.24
7.0.270.0050.00715.13
7.0.260.0050.01115.06
7.0.250.0040.01415.48
7.0.240.0060.00615.44
7.0.230.0050.00915.52
7.0.220.0080.00315.41
7.0.210.0040.01115.14
7.0.200.0100.00815.13
7.0.190.0080.00415.49
7.0.180.0060.00515.38
7.0.170.0090.00315.53
7.0.160.0080.00415.38
7.0.150.0020.01015.32
7.0.140.0070.00715.28
7.0.130.0060.00815.52
7.0.120.0030.01215.57
7.0.110.0020.00915.44
7.0.100.0050.01015.40
7.0.90.0090.00815.48
7.0.80.0060.00915.43
7.0.70.0030.00815.42
7.0.60.0120.03016.84
7.0.50.0070.01816.28
7.0.40.0020.04015.72
7.0.30.0180.02815.50
7.0.20.0140.02915.60
7.0.10.0060.03115.77
7.0.00.0040.01815.63
5.6.400.0070.00514.23
5.6.390.0050.00914.12
5.6.380.0070.00514.44
5.6.370.0080.00614.42
5.6.360.0050.00614.49
5.6.350.0050.01014.09
5.6.340.0050.00914.22
5.6.330.0080.00614.34
5.6.320.0050.00814.35
5.6.310.0030.01014.13
5.6.300.0080.00714.56
5.6.290.0100.00614.27
5.6.280.0070.02616.70
5.6.270.0030.01014.44
5.6.260.0080.00414.35
5.6.250.0050.01014.20
5.6.240.0040.01214.35
5.6.230.0060.00914.26
5.6.220.0050.00714.31
5.6.210.0080.02916.37
5.6.200.0080.02515.56
5.6.190.0100.02116.31
5.6.180.0130.03116.39
5.6.170.0150.03416.28
5.6.160.0040.02616.29
5.6.150.0050.01615.59
5.6.140.0080.01615.72
5.6.130.0030.02115.60
5.6.120.0060.01816.48
5.6.110.0040.03116.53
5.6.100.0010.02616.65
5.6.90.0090.02916.44
5.6.80.0100.02616.19
5.6.70.0090.00514.44
5.6.60.0030.00814.29
5.6.50.0080.00614.15
5.6.40.0070.00714.30
5.6.30.0100.00514.01
5.6.20.0120.00313.97
5.6.10.0040.00914.05
5.6.00.0080.00314.25
5.5.380.0070.00614.09
5.5.370.0030.01214.11
5.5.360.0100.00514.38
5.5.350.1360.02216.32
5.5.340.0050.02115.57
5.5.330.0040.02916.40
5.5.320.0180.01816.22
5.5.310.0050.02116.08
5.5.300.0060.01915.28
5.5.290.0030.02315.52
5.5.280.0090.02916.45
5.5.270.0030.02816.41
5.5.260.0080.03216.42
5.5.250.0080.02816.34
5.5.240.0150.02516.02
5.5.230.0060.00614.25
5.5.220.0090.00614.06
5.5.210.0050.00514.13
5.5.200.0030.01014.31
5.5.190.0070.00714.28
5.5.180.0070.00914.29
5.5.170.0030.00714.22
5.5.160.0070.00514.15
5.5.150.0050.00813.79
5.5.140.0030.00913.97
5.5.130.0060.00714.10
5.5.120.0070.00414.08
5.5.110.0020.01414.14
5.5.100.0070.00513.94
5.5.90.0070.01014.25
5.5.80.0060.00714.14
5.5.70.0090.00514.26
5.5.60.0050.00914.14
5.5.50.0030.01014.18
5.5.40.0020.00814.31
5.5.30.0060.00914.25
5.5.20.0050.00814.10
5.5.10.0090.00314.23
5.5.00.0030.00814.12

preferences:
74.99 ms | 401 KiB | 5 Q