3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test(&$array) { $key = 'foo'; return isset($array[$key]); } $array = array( 'foo' => NULL, ); echo test($array) ? 'truthy' : 'falsey';

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)
8.3.40.0040.01118.90
8.3.30.0090.00619.04
8.3.20.0040.00420.33
8.3.10.0090.00023.32
8.3.00.0080.00018.83
8.2.170.0160.00022.96
8.2.160.0070.00720.41
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0000.00819.12
8.2.110.0060.00322.13
8.2.100.0090.00317.84
8.2.90.0040.00419.34
8.2.80.0080.00017.97
8.2.70.0060.00317.75
8.2.60.0000.00717.93
8.2.50.0080.00018.07
8.2.40.0050.00319.88
8.2.30.0060.00618.35
8.2.20.0040.00417.74
8.2.10.0040.00417.86
8.2.00.0020.00517.69
8.1.270.0000.00823.96
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.80
8.1.230.0090.00319.06
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0060.00618.50
8.1.160.0050.00321.87
8.1.150.0040.00418.49
8.1.140.0040.00417.43
8.1.130.0030.00317.80
8.1.120.0040.00417.36
8.1.110.0040.00417.42
8.1.100.0040.00417.41
8.1.90.0030.00317.42
8.1.80.0040.00417.41
8.1.70.0070.00017.26
8.1.60.0040.00417.54
8.1.50.0030.00517.54
8.1.40.0040.00417.52
8.1.30.0080.00017.58
8.1.20.0000.00817.66
8.1.10.0000.00717.55
8.1.00.0040.00417.49
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0000.00718.50
8.0.270.0040.00417.31
8.0.260.0000.00617.34
8.0.250.0000.00716.99
8.0.240.0090.00016.82
8.0.230.0070.00016.86
8.0.220.0030.00316.82
8.0.210.0030.00316.75
8.0.200.0000.00616.81
8.0.190.0000.00716.87
8.0.180.0040.00416.75
8.0.170.0000.00816.83
8.0.160.0070.00016.80
8.0.150.0000.00716.82
8.0.140.0040.00416.69
8.0.130.0000.00513.25
8.0.120.0050.00416.66
8.0.110.0000.00816.75
8.0.100.0050.00316.93
8.0.90.0050.00216.78
8.0.80.0090.00616.73
8.0.70.0050.00316.66
8.0.60.0000.00816.84
8.0.50.0040.00416.87
8.0.30.0070.01216.83
8.0.20.0120.00617.40
8.0.10.0040.00416.96
8.0.00.0110.00916.65
7.4.330.0060.00015.00
7.4.320.0000.00616.39
7.4.300.0000.00616.64
7.4.290.0030.00316.50
7.4.280.0040.00416.59
7.4.270.0040.00416.43
7.4.260.0030.00316.60
7.4.250.0000.00816.46
7.4.240.0040.00316.55
7.4.230.0030.00316.50
7.4.220.0090.00916.36
7.4.210.0050.01116.62
7.4.200.0070.00016.50
7.4.190.0030.00516.66
7.4.160.0040.01216.42
7.4.150.0070.01017.40
7.4.140.0050.01317.86
7.4.130.0130.00316.49
7.4.120.0100.00716.49
7.4.110.0070.01016.62
7.4.100.0100.01016.40
7.4.90.0100.00716.57
7.4.80.0110.01119.39
7.4.70.0040.01116.63
7.4.60.0190.00316.45
7.4.50.0080.00016.32
7.4.40.0090.00916.57
7.4.30.0030.01216.46
7.4.10.0070.01115.05
7.4.00.0080.00814.79
7.3.330.0030.00313.23
7.3.320.0020.00213.10
7.3.310.0030.00316.35
7.3.300.0070.00016.30
7.3.290.0090.00616.30
7.3.280.0090.00816.29
7.3.270.0140.00317.40
7.3.260.0060.01216.33
7.3.250.0150.00116.39
7.3.240.0040.01616.44
7.3.230.0130.01016.39
7.3.210.0120.00616.27
7.3.200.0060.01319.39
7.3.190.0040.01316.21
7.3.180.0090.00616.27
7.3.170.0130.00316.53
7.3.160.0100.01016.39
7.3.130.0090.00615.07
7.3.120.0090.00714.78
7.3.110.0100.01014.97
7.3.100.0060.00614.77
7.3.90.0030.00714.96
7.3.80.0030.00614.66
7.3.70.0080.00814.79
7.3.60.0090.00614.89
7.3.50.0060.00614.76
7.3.40.0110.00014.84
7.3.30.0090.00614.60
7.3.20.0090.00616.40
7.3.10.0040.01116.61
7.3.00.0060.00316.39
7.2.330.0000.01616.37
7.2.320.0150.01016.64
7.2.310.0100.00716.25
7.2.300.0090.00916.36
7.2.290.0060.01016.63
7.2.260.0090.00315.12
7.2.250.0120.00614.84
7.2.240.0040.01115.11
7.2.230.0040.01114.82
7.2.220.0030.00714.90
7.2.210.0080.00614.68
7.2.200.0100.00315.04
7.2.190.0130.00315.08
7.2.180.0030.00914.95
7.2.170.0060.00614.77
7.2.160.0090.00614.65
7.2.150.0070.01016.98
7.2.140.0040.00716.74
7.2.130.0070.01116.73
7.2.120.0000.01516.74
7.2.110.0070.00716.64
7.2.100.0030.00616.88
7.2.90.0030.01316.98
7.2.80.0070.01116.76
7.2.70.0110.00416.82
7.2.60.0060.01216.64
7.2.50.0070.01116.64
7.2.40.0070.00716.60
7.2.30.0040.01416.95
7.2.20.0070.01016.99
7.2.10.0100.00616.84
7.2.00.0040.01218.00
7.1.330.0060.00615.78
7.1.320.0120.00315.49
7.1.310.0030.01015.83
7.1.300.0000.01415.66
7.1.290.0060.00315.45
7.1.280.0000.01015.69
7.1.270.0030.01215.91
7.1.260.0030.00715.89
7.1.250.0000.01515.78
7.1.240.0100.00315.48
7.1.230.0030.00615.42
7.1.220.0000.01015.73
7.1.210.0070.01015.42
7.1.200.0100.00615.71
7.1.190.0030.01015.68
7.1.180.0110.00715.67
7.1.170.0060.00915.59
7.1.160.0100.00315.79
7.1.150.0080.00815.50
7.1.140.0000.01515.60
7.1.130.0000.01515.55
7.1.120.0070.00715.86
7.1.110.0040.00815.72
7.1.100.0050.00816.63
7.1.90.0030.01415.62
7.1.80.0000.00815.72
7.1.70.0030.00616.36
7.1.60.0100.00817.59
7.1.50.0050.01016.02
7.1.40.0070.01015.46
7.1.30.0090.00015.41
7.1.20.0060.00615.57
7.1.10.0090.00615.70
7.1.00.0070.04219.03
7.0.330.0040.00815.04
7.0.320.0070.00715.51
7.0.310.0040.00715.51
7.0.300.0030.01315.00
7.0.290.0100.00015.40
7.0.280.0150.00015.25
7.0.270.0000.01515.43
7.0.260.0060.00615.27
7.0.250.0030.00915.44
7.0.240.0070.00715.38
7.0.230.0030.01015.50
7.0.220.0070.00415.15
7.0.210.0030.00915.17
7.0.200.0080.00316.12
7.0.190.0030.01415.46
7.0.180.0060.00615.32
7.0.170.0070.00715.50
7.0.160.0060.00615.31
7.0.150.0100.00315.49
7.0.140.0030.04018.71
7.0.130.0030.01015.54
7.0.120.0030.01015.31
7.0.110.0000.01215.40
7.0.100.0070.00715.48
7.0.90.0030.01215.41
7.0.80.0030.01015.27
7.0.70.0000.00815.47
7.0.60.0030.03317.50
7.0.50.0090.04116.71
7.0.40.0080.05216.80
7.0.30.0170.04316.79
7.0.20.0100.02516.76
7.0.10.0030.02816.96
7.0.00.0030.02816.82
5.6.400.0000.01114.32
5.6.390.0000.01314.57
5.6.380.0030.01613.99
5.6.370.0030.01014.18
5.6.360.0090.00914.39
5.6.350.0040.01114.11
5.6.340.0000.01114.32
5.6.330.0000.01014.60
5.6.320.0070.00714.28
5.6.310.0130.00014.36
5.6.300.0030.01014.43
5.6.290.0000.01714.58
5.6.280.0030.04117.51
5.6.270.0070.00314.32
5.6.260.0050.00314.34
5.6.250.0040.00414.20
5.6.240.0100.00314.27
5.6.230.0060.00614.07
5.6.220.0000.01314.23
5.6.210.0080.04617.49
5.6.200.0100.02716.30
5.6.190.0120.03717.29
5.6.180.0090.04417.49
5.6.170.0180.03817.43
5.6.160.0070.03617.40
5.6.150.0080.04016.41
5.6.140.0030.04316.28
5.6.130.0080.04516.34
5.6.120.0080.02617.58
5.6.110.0030.03517.64
5.6.100.0080.04217.67
5.6.90.0050.04717.68
5.6.80.0070.04417.33
5.6.70.0120.00314.00
5.6.60.0100.00714.45
5.6.50.0090.00614.15
5.6.40.0100.00314.36
5.6.30.0060.00914.23
5.6.20.0090.00614.30
5.6.10.0130.00314.14
5.6.00.0000.01514.22
5.5.380.0100.00314.52
5.5.370.0030.00714.43
5.5.360.0070.00714.38
5.5.350.0070.04417.50
5.5.340.0030.04515.97
5.5.330.0000.02717.36
5.5.320.0180.02717.14
5.5.310.0130.04517.21
5.5.300.0030.03816.01
5.5.290.0100.02816.11
5.5.280.0070.02417.48
5.5.270.0060.03617.59
5.5.260.0070.03717.48
5.5.250.0040.02317.33
5.5.240.0030.04217.18
5.5.230.0030.01414.25
5.5.220.0040.01214.28
5.5.210.0040.00814.11
5.5.200.0070.00714.32
5.5.190.0000.01314.30
5.5.180.0040.00714.12
5.5.170.0030.01014.13
5.5.160.0130.00014.05
5.5.150.0070.00714.23
5.5.140.0030.00614.15
5.5.130.0070.00414.23
5.5.120.0030.01014.27
5.5.110.0030.01014.11
5.5.100.0070.00714.25
5.5.90.0030.00714.03
5.5.80.0080.00414.27
5.5.70.0000.01013.98
5.5.60.0090.00614.30
5.5.50.0110.00414.00
5.5.40.0000.01014.34
5.5.30.0000.01414.07
5.5.20.0040.00714.27
5.5.10.0090.00614.00
5.5.00.0030.01014.00
5.4.450.0420.02815.23
5.4.440.0380.03315.24
5.4.430.0230.03615.44
5.4.420.0170.03215.40
5.4.410.0190.02715.34
5.4.400.0150.03515.25
5.4.390.0150.03815.17
5.4.380.0150.02414.87
5.4.370.0110.02615.02
5.4.360.0120.02515.03
5.4.350.0110.02615.02
5.4.340.0070.02815.06
5.4.330.0000.01111.27
5.4.320.0080.01911.89
5.4.310.0070.02611.88
5.4.300.0030.02911.89
5.4.290.0050.04211.88
5.4.280.0060.02311.83
5.4.270.0090.03411.83
5.4.260.0070.06011.83
5.4.250.0090.04611.83
5.4.240.0160.04811.83
5.4.230.0090.04811.83
5.4.220.0080.02211.83
5.4.210.0060.02011.83
5.4.200.0060.02311.83
5.4.190.0060.02211.83
5.4.180.0040.02411.83
5.4.170.0010.02611.83
5.4.160.0030.02511.83
5.4.150.0010.02611.83
5.4.140.0070.02511.67
5.4.130.0030.02711.66
5.4.120.0050.02111.64
5.4.110.0040.02311.64
5.4.100.0050.02211.64
5.4.90.0050.02211.67
5.4.80.0050.02011.64
5.4.70.0040.02111.64
5.4.60.0040.02311.64
5.4.50.0060.02011.64
5.4.40.0030.02511.63
5.4.30.0040.02311.63
5.4.20.0080.02111.63
5.4.10.0140.02911.63
5.4.00.0060.03811.38
5.3.290.0060.02212.04
5.3.280.0080.03511.99
5.3.270.0080.03211.99
5.3.260.0060.03311.99
5.3.250.0050.03312.00
5.3.240.0050.02911.99
5.3.230.0050.02911.99
5.3.220.0100.02611.98
5.3.210.0040.03011.97
5.3.200.0060.02711.97
5.3.190.0090.03711.97
5.3.180.0140.05511.97
5.3.170.0090.04311.97
5.3.160.0080.03611.97
5.3.150.0150.05411.97
5.3.140.0100.02711.97
5.3.130.0070.04511.96
5.3.120.0060.02811.96
5.3.110.0050.03011.96
5.3.100.0100.03411.69
5.3.90.0030.03211.68
5.3.80.0070.03111.68
5.3.70.0060.03011.68
5.3.60.0070.03511.67
5.3.50.0050.03611.64
5.3.40.0050.02511.64
5.3.30.0090.03211.63
5.3.20.0070.03011.51
5.3.10.0040.03311.50
5.3.00.0050.03911.49
5.2.170.0050.0409.21
5.2.160.0080.0459.22
5.2.150.0030.0389.21
5.2.140.0060.0319.21
5.2.130.0020.0349.17
5.2.120.0040.0329.18
5.2.110.0040.0319.18
5.2.100.0050.0299.17
5.2.90.0090.0279.17
5.2.80.0040.0329.17
5.2.70.0040.0329.17
5.2.60.0040.0379.13
5.2.50.0030.0319.09
5.2.40.0020.0339.07
5.2.30.0030.0349.04
5.2.20.0050.0309.04
5.2.10.0040.0348.94
5.2.00.0050.0618.80
5.1.60.0040.0278.09
5.1.50.0020.0318.08
5.1.40.0060.0358.05
5.1.30.0050.0388.41
5.1.20.0040.0298.43
5.1.10.0100.0348.16
5.1.00.0060.0348.16
5.0.50.0040.0236.63
5.0.40.0060.0276.50
5.0.30.0010.0366.31
5.0.20.0060.0236.27
5.0.10.0060.0226.25
5.0.00.0040.0346.25
4.4.90.0040.0194.78
4.4.80.0030.0244.75
4.4.70.0040.0174.76
4.4.60.0000.0264.75
4.4.50.0040.0204.77
4.4.40.0060.0384.71
4.4.30.0030.0174.76
4.4.20.0010.0214.84
4.4.10.0040.0174.85
4.4.00.0040.0254.76
4.3.110.0050.0174.67
4.3.100.0040.0274.67
4.3.90.0030.0174.63
4.3.80.0040.0264.58
4.3.70.0070.0314.63
4.3.60.0020.0184.63
4.3.50.0080.0414.62
4.3.40.0060.0554.54
4.3.30.0050.0203.29
4.3.20.0040.0213.27
4.3.10.0040.0213.24
4.3.00.0070.0177.26

preferences:
38.37 ms | 400 KiB | 5 Q