3v4l.org

run code in 300+ PHP versions simultaneously
<?php $small_num = '9999'; $large_num = '9999999999999999999999999999999'; $obj = new stdClass; $obj->$small_num = true; $obj->$large_num = true; $arr = (array)$obj; var_dump(array( 'isset_small_num_key' => isset($arr[$small_num]), 'isset_large_num_key' => isset($arr[$large_num]), ));

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)
8.3.60.0090.00616.63
8.3.50.0130.00521.02
8.3.40.0120.00318.63
8.3.30.0120.00318.84
8.3.20.0080.00020.25
8.3.10.0040.00423.45
8.3.00.0050.00322.43
8.2.180.0140.00416.50
8.2.170.0070.00722.96
8.2.160.0110.00420.36
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00017.63
8.2.110.0060.00320.38
8.2.100.0080.00317.63
8.2.90.0040.00419.30
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0000.00817.92
8.2.50.0040.00418.07
8.2.40.0040.00421.28
8.2.30.0050.00319.78
8.2.20.0000.00817.63
8.2.10.0000.00818.24
8.2.00.0000.00718.00
8.1.280.0070.01025.92
8.1.270.0060.00320.28
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00423.98
8.1.230.0070.00417.42
8.1.220.0000.01017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0000.00817.23
8.1.180.0050.00218.10
8.1.170.0080.00018.65
8.1.160.0030.00621.96
8.1.150.0040.00418.90
8.1.140.0050.00317.51
8.1.130.0070.00017.77
8.1.120.0040.00417.51
8.1.110.0030.00517.46
8.1.100.0070.00017.47
8.1.90.0020.00517.48
8.1.80.0030.00617.36
8.1.70.0030.00317.37
8.1.60.0040.00417.50
8.1.50.0040.00417.49
8.1.40.0030.00617.53
8.1.30.0000.00817.58
8.1.20.0050.00317.50
8.1.10.0000.00717.55
8.1.00.0040.00417.30
8.0.300.0030.00518.77
8.0.290.0040.00416.75
8.0.280.0000.00718.34
8.0.270.0040.00417.26
8.0.260.0030.00317.14
8.0.250.0000.00816.90
8.0.240.0000.00716.88
8.0.230.0030.00316.82
8.0.220.0000.00816.80
8.0.210.0050.00216.90
8.0.200.0000.00616.89
8.0.190.0030.00616.98
8.0.180.0000.00716.90
8.0.170.0060.00316.80
8.0.160.0000.00716.94
8.0.150.0030.00316.74
8.0.140.0080.00316.81
8.0.130.0060.00013.33
8.0.120.0050.00316.83
8.0.110.0070.00016.84
8.0.100.0040.00416.73
8.0.90.0000.00716.82
8.0.80.0100.01116.89
8.0.70.0040.00416.85
8.0.60.0040.00416.73
8.0.50.0040.00416.96
8.0.30.0070.01017.21
8.0.20.0160.01917.40
8.0.10.0040.00417.04
8.0.00.0100.00816.70
7.4.330.0060.00015.08
7.4.320.0000.00616.42
7.4.300.0000.00616.51
7.4.290.0030.00316.60
7.4.280.0020.00516.45
7.4.270.0030.00316.62
7.4.260.0030.00313.16
7.4.250.0050.00316.34
7.4.240.0030.00316.52
7.4.230.0030.00316.40
7.4.220.0140.00416.71
7.4.210.0080.00716.64
7.4.200.0040.00416.41
7.4.160.0040.01116.52
7.4.150.0060.01417.40
7.4.140.0130.00717.86
7.4.130.0060.01416.59
7.4.120.0090.00916.47
7.4.110.0090.00716.49
7.4.100.0120.00616.72
7.4.90.0140.00316.50
7.4.80.0060.01319.39
7.4.70.0090.00616.46
7.4.60.0090.00916.54
7.4.50.0040.00416.70
7.4.40.0100.00716.41
7.4.30.0070.01116.29
7.4.00.0070.00614.95
7.3.330.0000.00613.12
7.3.320.0000.00513.11
7.3.310.0040.00416.32
7.3.300.0070.00016.08
7.3.290.0090.00916.21
7.3.280.0070.01016.28
7.3.270.0090.00917.40
7.3.260.0030.01416.47
7.3.250.0060.01216.33
7.3.240.0100.00716.44
7.3.230.0060.01516.39
7.3.210.0080.00916.50
7.3.200.0090.00919.39
7.3.190.0090.00616.27
7.3.180.0070.00816.32
7.3.170.0070.01116.57
7.3.160.0100.00716.50
7.3.120.0000.01814.78
7.3.110.0070.01115.08
7.3.100.0060.00814.45
7.3.90.0140.00314.82
7.3.80.0130.00314.94
7.3.70.0080.00314.77
7.3.60.0060.00914.84
7.3.50.0080.00814.81
7.3.40.0000.01014.82
7.3.30.0030.01014.52
7.3.20.0060.00916.59
7.3.10.0070.01016.50
7.3.00.0040.00716.49
7.2.330.0040.01216.46
7.2.320.0150.00816.73
7.2.310.0090.00616.43
7.2.300.0070.01016.51
7.2.290.0090.00916.61
7.2.250.0060.00615.12
7.2.240.0160.00315.08
7.2.230.0040.01114.85
7.2.220.0060.01014.72
7.2.210.0030.01014.95
7.2.200.0060.00615.00
7.2.190.0000.01515.05
7.2.180.0060.01014.84
7.2.170.0060.00614.96
7.2.60.0060.00916.68
7.2.00.0000.01319.37
7.1.330.0030.00915.55
7.1.320.0070.00715.92
7.1.310.0070.00715.73
7.1.300.0070.00715.89
7.1.290.0040.00415.45
7.1.280.0060.00615.93
7.1.270.0070.00715.65
7.1.260.0130.00315.49
7.1.200.0000.00915.75
7.1.100.0040.00718.05
7.1.70.0000.00717.11
7.1.60.0070.01720.03
7.1.50.0120.00916.99
7.1.00.0100.07022.41
7.0.200.0070.00714.97
7.0.60.0000.04320.06
7.0.50.0100.06717.88
7.0.40.0030.09320.12
7.0.30.0300.03720.00
7.0.20.0200.07720.18
7.0.10.0330.07720.18
7.0.00.0030.04019.99
5.6.280.0070.03321.04
5.6.210.0070.07720.71
5.6.200.0100.08018.08
5.6.190.0070.05720.33
5.6.180.0470.05720.35
5.6.170.0130.04720.52
5.6.160.0070.08720.50
5.6.150.0030.04318.18
5.6.140.0000.04318.15
5.6.130.0130.07718.11
5.6.120.0070.03721.01
5.6.110.0070.08020.98
5.6.100.0100.07720.97
5.6.90.0070.08720.94
5.6.80.0100.07720.42
5.6.70.0330.07320.34
5.5.350.0100.08020.39
5.5.340.0070.08318.01
5.5.330.0030.04020.41
5.5.320.0300.07720.34
5.5.310.0030.05020.30
5.5.300.0130.07018.02
5.5.290.0130.08017.99
5.5.280.0030.05020.96
5.5.270.0000.04320.83
5.5.260.0170.04320.89
5.5.250.0030.09020.77
5.5.240.0130.07720.26
5.4.450.0230.07719.09
5.4.440.0130.06319.26
5.4.430.0170.05719.16
5.4.420.0130.06019.50
5.4.410.0130.05719.38
5.4.400.0130.05719.16
5.4.390.0130.06019.23
5.4.380.0300.03719.20
5.4.370.0100.05718.84
5.4.360.0230.04718.75
5.4.350.0070.06019.05
5.4.340.0230.04718.75
5.4.320.0170.05319.06
5.4.310.0270.04319.22
5.4.300.0100.08019.23
5.4.290.0200.05019.15
5.4.280.0270.04319.28
5.4.270.0130.05718.84
5.4.260.0200.04718.75
5.4.250.0170.05319.27
5.4.240.0270.04318.93
5.4.230.0130.05719.19
5.4.220.0100.05719.22
5.4.210.0130.05319.05
5.4.200.0200.04716.70
5.4.190.0270.04719.04
5.4.180.0170.05319.15
5.4.170.0200.05018.89
5.4.160.0200.05019.18
5.4.150.0200.07018.97
5.4.140.0170.06316.20
5.4.130.0100.05316.31
5.4.120.0270.04016.23
5.4.110.0030.06316.20
5.4.100.0200.05316.30
5.4.90.0230.04716.36
5.4.80.0200.07316.07
5.4.70.0300.05316.37
5.4.60.0130.06316.36
5.4.50.0070.03716.28
5.4.40.0000.05716.43
5.4.30.0200.04316.36
5.4.20.0230.04716.31

preferences:
51.08 ms | 401 KiB | 5 Q