3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(); $a = isset($arr['foo']); $b = array_key_exists('foo', $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)
8.3.60.0070.01418.30
8.3.50.0120.00721.97
8.3.40.0150.00018.51
8.3.30.0100.01018.34
8.3.20.0050.00318.56
8.3.10.0040.00421.04
8.3.00.0000.00819.68
8.2.180.0070.01416.75
8.2.170.0070.00722.96
8.2.160.0130.00320.44
8.2.150.0000.00724.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00021.06
8.2.110.0060.00320.14
8.2.100.0090.00317.66
8.2.90.0000.00718.99
8.2.80.0000.00719.25
8.2.70.0000.00817.63
8.2.60.0100.00018.04
8.2.50.0070.00418.07
8.2.40.0000.00818.03
8.2.30.0070.00019.34
8.2.20.0070.00017.52
8.2.10.0000.00717.71
8.2.00.0080.00317.67
8.1.280.0070.00725.92
8.1.270.0030.00623.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0130.01022.55
8.1.230.0110.00020.96
8.1.220.0000.00818.77
8.1.210.0000.00818.90
8.1.200.0030.00617.23
8.1.190.0040.00417.40
8.1.180.0050.00318.10
8.1.170.0000.00818.72
8.1.160.0040.00418.72
8.1.150.0050.00218.57
8.1.140.0040.00417.29
8.1.130.0030.00317.79
8.1.120.0000.00717.39
8.1.110.0030.00617.41
8.1.100.0030.00517.42
8.1.90.0000.00717.27
8.1.80.0040.00417.36
8.1.70.0000.00717.27
8.1.60.0030.00617.57
8.1.50.0040.00417.28
8.1.40.0050.00317.42
8.1.30.0030.00517.53
8.1.20.0000.00817.46
8.1.10.0060.00317.53
8.1.00.0030.00617.42
8.0.300.0030.00319.90
8.0.290.0050.00316.93
8.0.280.0080.00018.29
8.0.270.0000.00717.18
8.0.260.0070.00016.73
8.0.250.0040.00416.77
8.0.240.0040.00816.76
8.0.230.0000.00716.85
8.0.220.0000.00616.78
8.0.210.0040.00416.71
8.0.200.0000.00816.74
8.0.190.0000.00716.85
8.0.180.0050.00316.90
8.0.170.0040.00416.71
8.0.160.0030.00316.77
8.0.150.0070.00016.73
8.0.140.0050.00316.82
8.0.130.0050.00013.29
8.0.120.0040.00416.79
8.0.110.0000.00716.63
8.0.100.0040.00416.89
8.0.90.0040.00416.80
8.0.80.0000.01416.75
8.0.70.0040.00416.81
8.0.60.0000.00716.75
8.0.50.0080.00016.69
8.0.30.0090.00916.92
8.0.20.0050.01417.40
8.0.10.0040.00416.81
8.0.00.0090.01016.57
7.4.330.0000.00516.76
7.4.320.0040.00416.57
7.4.300.0060.00016.67
7.4.290.0000.00616.50
7.4.280.0050.00216.59
7.4.270.0000.00716.51
7.4.260.0030.00313.28
7.4.250.0040.00416.38
7.4.240.0000.00816.58
7.4.230.0070.00016.57
7.4.220.0060.01316.54
7.4.210.0040.01016.57
7.4.200.0000.00716.70
7.4.190.0000.00716.76
7.4.160.0090.00616.53
7.4.150.0060.01117.40
7.4.140.0110.01117.86
7.4.130.0080.01016.45
7.4.120.0090.00816.53
7.4.110.0130.01216.46
7.4.100.0150.00716.45
7.4.90.0070.01116.44
7.4.80.0180.00719.39
7.4.70.0100.00716.44
7.4.60.0090.00616.41
7.4.50.0040.00416.48
7.4.40.0060.00922.77
7.4.30.0100.00716.55
7.4.10.0140.00314.55
7.4.00.0100.00715.01
7.3.330.0000.00512.92
7.3.320.0030.00313.07
7.3.310.0030.00316.27
7.3.300.0000.00716.07
7.3.290.0090.00916.19
7.3.280.0110.00816.20
7.3.270.0100.00717.40
7.3.260.0090.01118.24
7.3.250.0120.00516.38
7.3.240.0140.00316.22
7.3.230.0080.00816.45
7.3.210.0130.00316.11
7.3.200.0060.01619.39
7.3.190.0110.00816.43
7.3.180.0040.01116.27
7.3.170.0060.01016.27
7.3.160.0030.01216.40
7.3.130.0070.01114.63
7.3.120.0090.00914.70
7.3.110.0070.01114.78
7.3.100.0090.00914.71
7.3.90.0050.01214.66
7.3.80.0040.00614.90
7.3.70.0080.00814.46
7.3.60.0040.00614.69
7.3.50.0090.00414.55
7.3.40.0100.00514.59
7.3.30.0070.00514.53
7.3.20.0080.00616.54
7.3.10.0070.00616.37
7.3.00.0030.00816.37
7.2.330.0140.00416.48
7.2.320.0090.00916.57
7.2.310.0100.00716.39
7.2.300.0130.00316.37
7.2.290.0050.01116.58
7.2.260.0090.00614.98
7.2.250.0050.01114.96
7.2.240.0080.00615.07
7.2.230.0030.01414.74
7.2.220.0030.01215.04
7.2.210.0020.00714.88
7.2.200.0100.00715.04
7.2.190.0070.00614.82
7.2.180.0050.00914.81
7.2.170.0070.00514.94
7.2.160.0040.00714.89
7.2.150.0070.00716.68
7.2.140.0120.00316.64
7.2.130.0060.00616.86
7.2.120.0110.00516.74
7.2.110.0070.00816.76
7.2.100.0050.00916.70
7.2.90.0060.00916.65
7.2.80.0030.01316.58
7.2.70.0070.00716.80
7.2.60.0060.00816.79
7.2.50.0050.00916.90
7.2.40.0040.00916.79
7.2.30.0050.00616.88
7.2.20.0050.01016.58
7.2.10.0050.00816.81
7.2.00.0050.01016.59
7.1.330.0050.01215.69
7.1.320.0090.00615.68
7.1.310.0080.00515.68
7.1.300.0020.00815.54
7.1.290.0080.00515.68
7.1.280.0040.00815.68
7.1.270.0050.00515.56
7.1.260.0030.01015.68
7.1.250.0080.00515.70
7.1.240.0070.00615.53
7.1.230.0060.00515.67
7.1.220.0080.00515.68
7.1.210.0070.00715.68
7.1.200.0100.00615.74
7.1.190.0080.00415.54
7.1.180.0070.00715.62
7.1.170.0050.01015.76
7.1.160.0100.00215.50
7.1.150.0040.01115.61
7.1.140.0070.00315.72
7.1.130.0070.00515.71
7.1.120.0040.00815.72
7.1.110.0050.00815.60
7.1.100.0050.00915.84
7.1.90.0020.01215.74
7.1.80.0050.00815.69
7.1.70.0050.00616.12
7.1.60.0060.00716.29
7.1.50.0050.00716.20
7.1.40.0110.00515.54
7.1.30.0040.01015.67
7.1.20.0090.00715.71
7.1.10.0080.00615.76
7.1.00.0040.01617.90
7.0.330.0040.00915.47
7.0.320.0030.00715.29
7.0.310.0050.00915.15
7.0.300.0050.00615.16
7.0.290.0050.00815.26
7.0.280.0080.00615.27
7.0.270.0040.00915.38
7.0.260.0070.00715.24
7.0.250.0060.00815.37
7.0.240.0060.00615.29
7.0.230.0040.00915.32
7.0.220.0040.01115.17
7.0.210.0050.00615.24
7.0.200.0080.00415.76
7.0.190.0090.00715.21
7.0.180.0080.00515.26
7.0.170.0100.00515.40
7.0.160.0060.00615.26
7.0.150.0030.00915.23
7.0.140.0110.02217.51
7.0.130.0080.00415.47
7.0.120.0050.00515.31
7.0.110.0040.00815.29
7.0.100.0020.02116.88
7.0.90.0100.01716.76
7.0.80.0070.02516.96
7.0.70.0050.02816.88
7.0.60.0050.03416.89
7.0.50.0030.01917.06
7.0.40.0090.02615.60
7.0.30.0040.03215.70
7.0.20.0070.03215.56
7.0.10.0060.03115.57
7.0.00.0090.03215.60
5.6.400.0040.01114.34
5.6.390.0110.00114.32
5.6.380.0100.00314.16
5.6.370.0060.00814.16
5.6.360.0070.00614.27
5.6.350.0080.00514.16
5.6.340.0040.01114.37
5.6.330.0100.00514.06
5.6.320.0010.00814.15
5.6.310.0050.00714.37
5.6.300.0060.00614.12
5.6.290.0090.00614.34
5.6.280.0050.01014.16
5.6.270.0030.00714.39
5.6.260.0050.01014.21
5.6.250.0090.01616.44
5.6.240.0070.01416.25
5.6.230.0100.03016.38
5.6.220.0040.02216.39
5.6.210.0050.01616.29
5.6.200.0050.01816.42
5.6.190.0060.03516.48
5.6.180.0120.02516.54
5.6.170.0060.03016.62
5.6.160.0010.02216.39
5.6.150.0080.01816.54
5.6.140.0040.02916.53
5.6.130.0080.03716.48
5.6.120.0080.03016.43
5.6.110.0040.01916.36
5.6.100.0050.03416.41
5.6.90.0080.03316.46
5.6.80.0090.02916.14
5.6.70.0040.01716.26
5.6.60.0050.02216.22
5.6.50.0090.02016.17
5.6.40.0020.02416.22
5.6.30.0070.03016.22
5.6.20.0040.02416.32
5.6.10.0050.02516.16
5.6.00.0070.02916.24
5.5.380.0110.02416.25
5.5.370.0020.03516.11
5.5.360.0080.02816.21
5.5.350.0030.02116.22
5.5.340.0080.03016.47
5.5.330.0110.02516.42
5.5.320.0070.02716.31
5.5.310.0060.02516.39
5.5.300.0040.02116.26
5.5.290.0070.01816.25
5.5.280.0060.02216.36
5.5.270.0060.03016.40
5.5.260.0030.03016.45
5.5.250.0050.02016.15
5.5.240.0020.03316.18
5.5.230.0080.01516.08
5.5.220.0090.01415.99
5.5.210.0040.02116.10
5.5.200.0080.02816.10
5.5.190.0040.02716.22
5.5.180.0110.02816.16
5.5.170.0040.00914.12
5.5.160.0070.02116.25
5.5.150.0020.03216.06
5.5.140.0080.01616.17
5.5.130.0070.01616.06
5.5.120.0040.01816.24
5.5.110.0070.03116.27
5.5.100.0040.01816.07
5.5.90.0020.03116.18
5.5.80.0080.03016.13
5.5.70.0050.01816.02
5.5.60.0100.01716.12
5.5.50.0050.02716.24
5.5.40.0040.02016.12
5.5.30.0010.02616.16
5.5.20.0070.01715.98
5.5.10.0060.02015.92
5.5.00.0030.02315.86
5.4.450.0050.02114.52
5.4.440.0030.03014.43
5.4.430.0050.03114.47
5.4.420.0030.01914.46
5.4.410.0060.02714.48
5.4.400.0060.02914.39
5.4.390.0050.02514.30
5.4.380.0050.02614.37
5.4.370.0030.01814.35
5.4.360.0030.02014.38
5.4.350.0050.02314.31
5.4.340.0030.03014.28
5.4.330.0040.00412.01
5.4.320.0030.02714.33
5.4.310.0030.02514.30
5.4.300.0050.02014.27
5.4.290.0030.01714.36
5.4.280.0080.02214.32
5.4.270.0060.01614.30
5.4.260.0060.02114.36
5.4.250.0030.01914.36
5.4.240.0070.01814.37
5.4.230.0050.01714.36
5.4.220.0010.01814.38
5.4.210.0060.01414.27
5.4.200.0050.01414.30
5.4.190.0020.01814.34
5.4.180.0050.02914.32
5.4.170.0060.02014.32
5.4.160.0010.01714.34
5.4.150.0080.02514.26
5.4.140.0070.02313.46
5.4.130.0040.01613.41
5.4.120.0050.02613.44
5.4.110.0030.02913.49
5.4.100.0060.02613.44
5.4.90.0020.02913.42
5.4.80.0080.02213.47
5.4.70.0090.01613.42
5.4.60.0070.02413.43
5.4.50.0040.02813.46
5.4.40.0040.02313.43
5.4.30.0020.02813.41
5.4.20.0050.02613.40
5.4.10.0040.02013.44
5.4.00.0070.02813.26
5.3.290.0030.02212.88
5.3.280.0050.02212.81
5.3.270.0040.02412.85
5.3.260.0020.03012.83
5.3.250.0060.02412.86
5.3.240.0050.02712.87
5.3.230.0030.02012.86
5.3.220.0030.01612.86
5.3.210.0030.03012.85
5.3.200.0030.02712.86
5.3.190.0050.03012.81
5.3.180.0080.01812.80
5.3.170.0070.01312.82
5.3.160.0030.02912.81
5.3.150.0070.02712.84
5.3.140.0040.02912.85
5.3.130.0030.03112.83
5.3.120.0050.03112.81
5.3.110.0050.02812.84
5.3.100.0060.02612.67
5.3.90.0070.02512.63
5.3.80.0060.02112.67
5.3.70.0060.02312.67
5.3.60.0030.02812.65
5.3.50.0050.02812.64
5.3.40.0020.03012.65
5.3.30.0060.02512.61
5.3.20.0040.02512.56
5.3.10.0040.02612.51
5.3.00.0040.02912.54
5.2.170.0000.06312.52
5.2.160.0100.06012.52
5.2.150.0030.06012.52
5.2.140.0030.03312.52
5.2.130.0000.06012.52
5.2.120.0030.03012.52
5.2.110.0070.03712.52
5.2.100.0030.03312.52
5.2.90.0130.05012.52
5.2.80.0070.06012.52
5.2.70.0130.03712.52
5.2.60.0030.05012.52
5.2.50.0000.06312.52
5.2.40.0030.05712.52
5.2.30.0000.05712.52
5.2.20.0100.05712.52
5.2.10.0000.02712.52
5.2.00.0170.02712.52
5.1.60.0030.04312.52
5.1.50.0000.04712.52
5.1.40.0030.05312.52
5.1.30.0070.03312.52
5.1.20.0030.04712.52
5.1.10.0070.05012.52
5.1.00.0130.03312.52
5.0.50.0000.03312.52
5.0.40.0000.04012.52
5.0.30.0000.06312.52
5.0.20.0000.04012.52
5.0.10.0000.02712.52
5.0.00.0030.06712.52
4.4.90.0100.02712.52
4.4.80.0000.02012.52
4.4.70.0000.03712.52
4.4.60.0070.03012.52
4.4.50.0000.01712.52
4.4.40.0030.05312.52
4.4.30.0000.02312.52
4.4.20.0030.03712.52
4.4.10.0000.01712.52
4.4.00.0000.03712.52
4.3.110.0000.01712.52
4.3.100.0070.01712.52
4.3.90.0000.03012.52
4.3.80.0000.02712.52
4.3.70.0030.02012.52
4.3.60.0000.03012.52
4.3.50.0070.02012.52
4.3.40.0030.02712.52
4.3.30.0030.01312.52
4.3.20.0070.03312.52
4.3.10.0000.02012.52
4.3.00.0000.01712.52

preferences:
34.8 ms | 401 KiB | 5 Q