3v4l.org

run code in 300+ PHP versions simultaneously
<?php $object = new \ArrayObject(['item' => null]); var_dump(isset($object['item']), $object->offsetExists('item'));

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)
8.3.70.0150.00316.45
8.3.60.0100.00718.30
8.3.50.0040.01118.15
8.3.40.0120.00318.57
8.3.30.0080.00818.57
8.3.20.0080.00018.68
8.3.10.0080.00021.66
8.3.00.0070.00021.86
8.2.190.0140.00718.14
8.2.180.0150.00418.14
8.2.170.0110.00422.96
8.2.160.0070.01022.25
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00422.10
8.2.120.0080.00026.35
8.2.110.0030.00619.02
8.2.100.0120.00617.57
8.2.90.0040.00417.75
8.2.80.0030.00517.97
8.2.70.0030.00518.03
8.2.60.0000.00918.09
8.2.50.0050.00318.10
8.2.40.0040.00419.30
8.2.30.0050.00220.64
8.2.20.0000.00818.04
8.2.10.0000.00718.11
8.2.00.0030.00619.48
8.1.280.0040.01225.92
8.1.270.0070.00020.34
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0040.00420.92
8.1.230.0030.00917.89
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0000.00916.98
8.1.190.0080.00017.10
8.1.180.0030.00618.10
8.1.170.0040.00418.53
8.1.160.0000.00718.87
8.1.150.0000.00718.82
8.1.140.0040.00418.83
8.1.130.0060.00320.11
8.1.120.0030.00317.29
8.1.110.0070.00317.39
8.1.100.0000.00817.41
8.1.90.0000.00817.44
8.1.80.0020.00517.32
8.1.70.0100.00017.47
8.1.60.0050.00317.50
8.1.50.0000.01117.44
8.1.40.0040.00417.44
8.1.30.0040.00417.60
8.1.20.0040.00417.60
8.1.10.0000.00817.55
8.1.00.0000.00817.46
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0080.00018.38
8.0.270.0000.00917.23
8.0.260.0030.00318.41
8.0.250.0060.00316.89
8.0.240.0030.00616.78
8.0.230.0070.00016.85
8.0.220.0040.00416.83
8.0.210.0040.00416.81
8.0.200.0030.00316.89
8.0.190.0030.00316.85
8.0.180.0040.00416.76
8.0.170.0090.00016.84
8.0.160.0000.00716.78
8.0.150.0020.00516.76
8.0.140.0000.00716.67
8.0.130.0030.00313.22
8.0.120.0060.00316.79
8.0.110.0080.00016.87
8.0.100.0040.00416.75
8.0.90.0040.00416.87
8.0.80.0090.00916.75
8.0.70.0050.00216.64
8.0.60.0020.00516.83
8.0.50.0040.00416.69
8.0.30.0070.01316.94
8.0.20.0140.00517.40
8.0.10.0000.00716.95
8.0.00.0120.00616.74
7.4.330.0050.00015.55
7.4.320.0030.00316.45
7.4.300.0060.00016.53
7.4.290.0040.00416.50
7.4.280.0040.00416.52
7.4.270.0040.00416.52
7.4.260.0000.00716.47
7.4.250.0000.00716.45
7.4.240.0040.00416.49
7.4.230.0000.00716.28
7.4.220.0050.00316.37
7.4.210.0110.00516.53
7.4.200.0000.00816.54
7.4.160.0070.01116.43
7.4.140.0130.00617.86
7.4.130.0120.00916.54
7.4.120.0110.00716.46
7.4.110.0170.00016.52
7.4.100.0140.00716.43
7.4.90.0090.01616.50
7.4.80.0090.00919.39
7.4.70.0090.00716.54
7.4.60.0040.01216.38
7.4.50.0090.00916.48
7.4.40.0130.01216.48
7.4.00.0070.01014.67
7.3.330.0000.00513.08
7.3.320.0050.00013.07
7.3.310.0090.00016.16
7.3.300.0000.00616.17
7.3.290.0030.00316.10
7.3.280.0100.00716.22
7.3.260.0100.00916.37
7.3.240.0090.01016.29
7.3.230.0150.00316.16
7.3.210.0120.00816.29
7.3.200.0060.01116.32
7.3.190.0110.00616.16
7.3.180.0080.00816.10
7.3.170.0090.00616.21
7.3.160.0140.00316.25
7.3.120.0130.00714.32
7.3.110.0060.00914.55
7.3.100.0110.00814.48
7.3.90.0030.01014.68
7.3.80.0060.00814.65
7.3.70.0050.00714.46
7.3.60.0040.01214.74
7.3.50.0050.00514.55
7.3.40.0000.01314.64
7.3.30.0100.00614.68
7.3.20.0040.00716.33
7.3.10.0050.00916.42
7.3.00.0060.00616.49
7.2.330.0160.02916.61
7.2.320.0100.01416.72
7.2.310.0070.01016.62
7.2.300.0110.00616.41
7.2.290.0060.01116.79
7.2.250.0030.01515.16
7.2.240.0070.01114.82
7.2.230.0070.00714.82
7.2.220.0100.00714.91
7.2.210.0030.01014.93
7.2.200.0040.00415.12
7.2.190.0000.01514.89
7.2.180.0040.01114.89
7.2.170.0000.01415.00
7.2.160.0000.00915.00
7.2.150.0100.00316.86
7.2.140.0030.01016.64
7.2.130.0040.00916.73
7.2.120.0090.00216.76
7.2.110.0070.00716.76
7.2.100.0690.00615.74
7.2.90.0650.00715.72
7.2.80.0620.00915.58
7.2.70.0690.00615.71
7.2.60.0720.00915.70
7.2.50.0820.00715.77
7.2.40.0830.00615.61
7.2.30.0740.00415.65
7.2.20.0820.00615.79
7.2.10.0760.00915.69
7.2.00.0820.00515.68
7.1.330.0070.01015.61
7.1.320.0070.01015.79
7.1.310.0070.00715.87
7.1.300.0060.00915.91
7.1.290.0040.01115.88
7.1.280.0000.00815.72
7.1.270.0070.00715.51
7.1.260.0120.00315.65
7.1.250.0030.01015.62
7.1.240.0130.00315.80
7.1.230.0000.01015.67
7.1.220.0910.00514.32
7.1.210.0840.00514.33
7.1.200.0860.00714.20
7.1.190.1070.00314.14
7.1.180.0940.00614.24
7.1.170.0930.01014.13
7.1.160.1310.00913.97
7.1.150.1040.00814.28
7.1.140.1320.00414.31
7.1.130.0950.00614.24
7.1.120.0880.01114.32
7.1.110.1160.00614.14
7.1.100.1100.00514.33
7.1.90.0760.00814.32
7.1.80.1410.00414.35
7.1.70.1390.01014.24
7.1.60.1460.00626.10
7.1.50.1380.01126.32
7.1.40.1600.00626.35
7.1.30.1460.00726.31
7.1.20.1480.00726.28
7.1.10.1330.00814.35
7.1.00.1320.00414.35
7.0.330.0080.00515.31
7.0.320.0030.01015.32
7.0.310.0110.00015.23
7.0.300.0000.01015.34
7.0.290.0060.00915.17
7.0.280.0080.00615.20
7.0.270.0070.00715.32
7.0.260.0000.01215.33
7.0.250.0050.00515.42
7.0.240.0030.01015.30
7.0.230.0060.00615.26
7.0.220.0070.00715.17
7.0.210.0040.00715.20
7.0.200.0030.00915.03
7.0.190.0040.00415.44
7.0.180.0060.00615.30
7.0.170.0070.00315.22
7.0.160.0030.01015.25
7.0.150.0070.00715.31
7.0.140.0060.00615.45
7.0.130.0030.00615.08
7.0.120.0080.00415.16
7.0.110.0040.01115.46
7.0.100.0070.00315.40
7.0.90.0030.01015.32
7.0.80.0120.00615.52
7.0.70.0030.01215.25
7.0.60.0030.00715.38
7.0.50.0050.00515.37
7.0.40.0000.01313.14
7.0.30.0070.00713.44
7.0.20.0000.01513.50
7.0.10.0000.01013.40
7.0.00.0100.00313.06
5.6.400.0000.01114.50
5.6.390.0100.00314.33
5.6.380.0030.00713.96
5.6.370.0040.01214.53
5.6.360.0090.00314.29
5.6.350.0080.00614.20
5.6.340.0090.00414.16
5.6.330.0100.00314.62
5.6.320.0000.01414.36
5.6.310.0030.00614.52
5.6.300.0060.00914.72
5.6.290.0000.00814.03
5.6.280.0060.00614.31
5.6.270.0060.00614.62
5.6.260.0040.00814.27
5.6.250.0030.01014.23
5.6.240.0120.00314.54
5.6.230.0100.00614.57
5.6.220.0070.01014.36
5.6.210.0080.00314.31
5.6.200.0030.01014.45
5.6.190.0030.00614.39
5.6.180.0040.00714.49
5.6.170.0130.00314.43
5.6.160.0040.00714.31
5.6.150.0090.00314.26
5.6.140.0100.00014.22
5.6.130.0100.00014.63
5.6.120.0030.00914.36
5.6.110.0040.01114.20
5.6.100.0030.01014.24
5.6.90.0000.01314.14
5.6.80.0030.00914.50
5.6.70.0060.00314.05
5.6.60.0080.00814.41
5.6.50.0030.01014.49
5.6.40.0030.01014.13
5.6.30.0030.00714.43
5.6.20.0030.01014.19
5.6.10.0070.00714.38
5.6.00.0060.01014.35

preferences:
67.47 ms | 401 KiB | 5 Q