3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = (object)array('123' => '456'); print_r($obj); if (!property_exists($obj,'123')) echo 'property 123 does not exist',"\n"; if ( !isset( $obj->{123} ) ) echo 'property 123 is null',"\n";

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)
8.3.60.0070.00718.43
8.3.50.0130.00720.98
8.3.40.0070.00718.54
8.3.30.0070.01019.10
8.3.20.0030.00620.35
8.3.10.0000.00723.65
8.3.00.0060.00319.18
8.2.180.0000.01516.50
8.2.170.0040.01122.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0070.00022.19
8.2.110.0060.00320.27
8.2.100.0080.00418.16
8.2.90.0070.00019.08
8.2.80.0060.00317.97
8.2.70.0060.00317.75
8.2.60.0080.00018.05
8.2.50.0040.00418.07
8.2.40.0060.00319.76
8.2.30.0000.00818.11
8.2.20.0000.00717.68
8.2.10.0000.00717.94
8.2.00.0040.00417.70
8.1.280.0070.01425.92
8.1.270.0040.00422.19
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00023.82
8.1.230.0110.00019.09
8.1.220.0030.00617.74
8.1.210.0030.00518.77
8.1.200.0050.00517.13
8.1.190.0090.00017.23
8.1.180.0030.00518.10
8.1.170.0000.00818.54
8.1.160.0030.00622.06
8.1.150.0040.00418.80
8.1.140.0040.00417.45
8.1.130.0080.00017.82
8.1.120.0000.00817.39
8.1.110.0030.00617.39
8.1.100.0030.00417.49
8.1.90.0030.00417.42
8.1.80.0040.00417.52
8.1.70.0030.00317.41
8.1.60.0030.00517.55
8.1.50.0050.00317.51
8.1.40.0030.00517.50
8.1.30.0080.00017.66
8.1.20.0040.00417.55
8.1.10.0050.00217.50
8.1.00.0020.00517.50
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.35
8.0.270.0000.00717.37
8.0.260.0050.00317.20
8.0.250.0030.00316.89
8.0.240.0080.00017.08
8.0.230.0040.00416.97
8.0.220.0030.00316.93
8.0.210.0030.00316.85
8.0.200.0000.00717.01
8.0.190.0040.00717.03
8.0.180.0040.00416.87
8.0.170.0000.00816.96
8.0.160.0070.00317.02
8.0.150.0040.00416.96
8.0.140.0040.00416.98
8.0.130.0060.00013.43
8.0.120.0020.00516.84
8.0.110.0040.00416.94
8.0.100.0040.00416.78
8.0.90.0040.00417.07
8.0.80.0060.00916.91
8.0.70.0000.00716.79
8.0.60.0050.00217.02
8.0.50.0070.00016.84
8.0.30.0120.00717.15
8.0.20.0080.01017.40
8.0.10.0070.00017.03
8.0.00.0140.00316.94
7.4.330.0050.00015.09
7.4.320.0030.00316.61
7.4.300.0030.00316.63
7.4.290.0030.00316.65
7.4.280.0040.00416.58
7.4.270.0000.00716.66
7.4.260.0050.00516.41
7.4.250.0050.00216.46
7.4.240.0020.00516.38
7.4.230.0040.00416.32
7.4.220.0130.00616.58
7.4.210.0110.00716.41
7.4.200.0040.00416.29
7.4.160.0080.00816.43
7.4.150.0190.00017.40
7.4.140.0110.00717.86
7.4.130.0090.01416.34
7.4.120.0090.00716.54
7.4.110.0100.00716.38
7.4.100.0150.00316.49
7.4.90.0100.00716.49
7.4.80.0120.00919.39
7.4.70.0080.00816.68
7.4.60.0140.00916.41
7.4.50.0000.00816.40
7.4.40.0130.00316.36
7.4.30.0060.00916.22
7.4.10.0060.01015.19
7.4.00.0050.01114.88
7.3.330.0000.00513.11
7.3.320.0000.00512.96
7.3.310.0000.00616.30
7.3.300.0030.00316.29
7.3.290.0090.00616.23
7.3.280.0080.01216.23
7.3.270.0120.00617.40
7.3.260.0130.00416.17
7.3.250.0100.00616.28
7.3.240.0140.00316.61
7.3.230.0150.00716.39
7.3.210.0070.01016.19
7.3.200.0060.01619.39
7.3.190.0030.01716.49
7.3.180.0090.00916.32
7.3.170.0100.00716.27
7.3.160.0100.00716.23
7.3.130.0130.00314.59
7.3.120.0070.00714.78
7.3.110.0030.01614.60
7.3.100.0110.00714.49
7.3.90.0000.01814.61
7.3.80.0060.00314.60
7.3.70.0030.01014.73
7.3.60.0030.00614.81
7.3.50.0030.01314.80
7.3.40.0100.00314.79
7.3.30.0060.00614.74
7.3.20.0060.00616.67
7.3.10.0070.00516.37
7.3.00.0050.00916.44
7.2.330.0130.00616.30
7.2.320.0120.00916.33
7.2.310.0070.01416.52
7.2.300.0070.01016.41
7.2.290.0210.00416.51
7.2.260.0110.00815.04
7.2.250.0110.00614.67
7.2.240.0000.01514.65
7.2.230.0130.00614.79
7.2.220.0120.00615.16
7.2.210.0070.00314.90
7.2.200.0070.01015.00
7.2.190.0120.00314.97
7.2.180.0040.01114.59
7.2.170.0070.01014.63
7.2.160.0090.00314.97
7.2.150.0000.01216.78
7.2.140.0040.00716.64
7.2.130.0060.00716.75
7.2.120.0050.00816.81
7.2.110.0040.00916.70
7.2.100.0030.01016.59
7.2.90.0030.01116.76
7.2.80.0090.00516.83
7.2.70.0080.00216.71
7.2.60.0040.00916.73
7.2.50.0030.01016.89
7.2.40.0070.00916.85
7.2.30.0070.00716.79
7.2.20.0060.00816.68
7.2.10.0030.01117.00
7.2.00.0020.01017.58
7.1.330.0080.00615.77
7.1.320.0060.01015.84
7.1.310.0030.01015.41
7.1.300.0060.00815.89
7.1.290.0100.00715.74
7.1.280.0110.00315.78
7.1.270.0000.01515.76
7.1.260.0030.01315.67
7.1.250.0090.00615.69
7.1.240.0100.00315.70
7.1.230.0060.00315.52
7.1.220.0060.00615.86
7.1.210.0030.01015.82
7.1.200.0090.00315.66
7.1.190.0040.00715.66
7.1.180.0040.00815.73
7.1.170.0080.00815.61
7.1.160.0090.00615.75
7.1.150.0070.00715.52
7.1.140.0060.00815.86
7.1.130.0120.00315.68
7.1.120.0060.00615.78
7.1.110.0030.00815.89
7.1.100.0100.00416.80
7.1.90.0070.00415.84
7.1.80.0100.00715.50
7.1.70.0040.00516.40
7.1.60.0040.01217.38
7.1.50.0020.01716.38
7.1.40.0040.00415.73
7.1.30.0070.01015.55
7.1.20.0000.01415.73
7.1.10.0040.00415.75
7.1.00.0050.04419.12
7.0.330.0070.00415.19
7.0.320.0040.00415.14
7.0.310.0050.00515.32
7.0.300.0030.01015.30
7.0.290.0070.00414.97
7.0.280.0000.01015.27
7.0.270.0070.00715.37
7.0.260.0080.00415.38
7.0.250.0110.00015.33
7.0.240.0070.00715.56
7.0.230.0130.00315.29
7.0.220.0070.00715.14
7.0.210.0040.00415.42
7.0.200.0070.00116.04
7.0.190.0030.01015.57
7.0.180.0060.00615.46
7.0.170.0080.00615.21
7.0.160.0000.01415.32
7.0.150.0030.00915.36
7.0.140.0030.05218.74
7.0.130.0130.00015.32
7.0.120.0030.01015.24
7.0.110.0070.00415.33
7.0.100.0110.00415.43
7.0.90.0000.01415.45
7.0.80.0070.00715.46
7.0.70.0050.00515.50
7.0.60.0050.04517.71
7.0.50.0070.04316.47
7.0.40.0070.04516.79
7.0.30.0200.02516.75
7.0.20.0200.04316.63
7.0.10.0110.04216.87
7.0.00.0060.04316.88
5.6.400.0030.01014.38
5.6.390.0040.00414.03
5.6.380.0030.01014.36
5.6.370.0080.00014.66
5.6.360.0040.00714.37
5.6.350.0030.01014.32
5.6.340.0120.00014.03
5.6.330.0060.01014.70
5.6.320.0100.00614.59
5.6.310.0040.01114.41
5.6.300.0060.00914.43
5.6.290.0030.01214.31
5.6.280.0050.03917.53
5.6.270.0070.00714.07
5.6.260.0070.00714.28
5.6.250.0090.00614.22
5.6.240.0060.00914.55
5.6.230.0100.00314.25
5.6.220.0130.00314.49
5.6.210.0080.04217.62
5.6.200.0050.04516.19
5.6.190.0070.03917.38
5.6.180.0230.03317.60
5.6.170.0260.02017.35
5.6.160.0090.04417.50
5.6.150.0060.02216.25
5.6.140.0090.04216.21
5.6.130.0080.02016.14
5.6.120.0070.02217.58
5.6.110.0100.04117.61
5.6.100.0070.04317.54
5.6.90.0090.04517.51
5.6.80.0070.03717.35
5.6.70.0100.00714.35
5.6.60.0090.00914.34
5.6.50.0060.00614.52
5.6.40.0030.01114.26
5.6.30.0090.00014.32
5.6.20.0050.00514.16
5.6.10.0060.01214.26
5.6.00.0080.00314.25
5.5.380.0080.00814.46
5.5.370.0080.00514.11
5.5.360.0030.00914.18
5.5.350.0130.04217.27
5.5.340.0070.02016.21
5.5.330.0030.04817.39
5.5.320.0180.03417.20
5.5.310.0130.02917.21
5.5.300.0030.03716.24
5.5.290.0080.02516.05
5.5.280.0100.04217.56
5.5.270.0100.02017.48
5.5.260.0100.03817.55
5.5.250.0130.04217.20
5.5.240.0140.02617.28
5.5.230.0090.00914.32
5.5.220.0090.00614.27
5.5.210.0100.00314.37
5.5.200.0060.00914.24
5.5.190.0040.00714.02
5.5.180.0000.01514.41
5.5.170.0070.01014.21
5.5.160.0100.00014.12
5.5.150.0000.01314.23
5.5.140.0070.00714.36
5.5.130.0030.01314.21
5.5.120.0000.01414.12
5.5.110.0100.00614.31
5.5.100.0070.01014.04
5.5.90.0140.00414.04
5.5.80.0040.01114.35
5.5.70.0080.00414.05
5.5.60.0090.00614.38
5.5.50.0060.00614.38
5.5.40.0130.00314.21
5.5.30.0060.00614.02
5.5.20.0060.00614.05
5.5.10.0040.01014.50
5.5.00.0100.00314.00
5.4.450.0090.03116.09
5.4.440.0220.02516.02
5.4.430.0120.03015.93
5.4.420.0360.00416.13
5.4.410.0350.00116.06
5.4.400.0360.00015.92
5.4.390.0330.00515.91
5.4.380.0330.00515.89
5.4.370.0330.00315.84
5.4.360.0310.00615.88
5.4.350.0330.00415.90
5.4.340.0080.02012.35
5.4.330.0030.00312.71
5.4.320.0060.01812.59
5.4.310.0060.02012.59
5.4.300.0050.01812.60
5.4.290.0050.02312.59
5.4.280.0050.02012.54
5.4.270.0060.02212.54
5.4.260.0060.02212.54
5.4.250.0060.01912.54
5.4.240.0040.02112.54
5.4.230.0060.02212.54
5.4.220.0070.01812.54
5.4.210.0040.02212.54
5.4.200.0060.02312.54
5.4.190.0040.02112.54
5.4.180.0060.02112.54
5.4.170.0040.02312.54
5.4.160.0050.02312.54
5.4.150.0080.01912.54
5.4.140.0040.02212.38
5.4.130.0050.02112.38
5.4.120.0050.02212.35
5.4.110.0020.02412.35
5.4.100.0040.02612.35
5.4.90.0050.02112.35
5.4.80.0070.01812.35
5.4.70.0030.02412.35
5.4.60.0070.01912.35
5.4.50.0070.02012.35
5.4.40.0050.02612.34
5.4.30.0090.01812.34
5.4.20.0070.02012.34
5.4.10.0080.01712.34
5.4.00.0050.02212.09
5.3.290.0090.04112.80
5.3.280.0080.03512.70
5.3.270.0060.03812.73
5.3.260.0090.03612.72
5.3.250.0070.03612.72
5.3.240.0050.03812.72
5.3.230.0050.03912.71
5.3.220.0080.03312.68
5.3.210.0070.03712.68
5.3.200.0040.03812.68
5.3.190.0050.04012.68
5.3.180.0060.03612.67
5.3.170.0070.04312.67
5.3.160.0120.04112.67
5.3.150.0070.03512.67
5.3.140.0050.03612.66
5.3.130.0050.03912.66
5.3.120.0090.03512.66
5.3.110.0090.03512.66
5.3.100.0070.03512.12
5.3.90.0060.03512.09
5.3.80.0070.03712.08
5.3.70.0050.03612.08
5.3.60.0070.03412.07
5.3.50.0070.03512.01
5.3.40.0060.03512.01
5.3.30.0060.03411.97
5.3.20.0080.03211.75
5.3.10.0120.03211.72
5.3.00.0070.03511.70
5.2.170.0040.0319.21
5.2.160.0070.0329.21
5.2.150.0040.0299.21
5.2.140.0060.0289.20
5.2.130.0030.0309.16
5.2.120.0090.0239.16
5.2.110.0040.0299.17
5.2.100.0060.0269.17
5.2.90.0100.0269.16
5.2.80.0060.0359.16
5.2.70.0060.0309.16
5.2.60.0030.0319.11
5.2.50.0070.0279.08
5.2.40.0100.0299.06
5.2.30.0040.0299.03
5.2.20.0030.0299.02
5.2.10.0070.0258.93
5.2.00.0050.0318.79
5.1.60.0040.0258.07
5.1.50.0040.0248.07
5.1.40.0050.0298.05
5.1.30.0070.0238.40
5.1.20.0050.0258.43
5.1.10.0090.0258.15
5.1.00.0030.0268.15
5.0.50.0030.0206.62
5.0.40.0050.0176.48
5.0.30.0050.0296.29
5.0.20.0020.0206.26
5.0.10.0060.0176.23
5.0.00.0030.0316.23
4.4.90.0050.0124.78
4.4.80.0050.0124.75
4.4.70.0020.0164.76
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0040.0244.71
4.4.30.0030.0154.76
4.4.20.0010.0174.85
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0030.0144.64
4.3.80.0030.0244.59
4.3.70.0030.0144.63
4.3.60.0020.0174.63
4.3.50.0020.0164.63
4.3.40.0040.0224.54
4.3.30.0010.0223.28
4.3.20.0030.0193.26
4.3.10.0010.0193.22
4.3.00.0000.0237.19

preferences:
40.19 ms | 400 KiB | 5 Q