3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new stdClass(); $x->{1} = null; $x->foo = null; print_r($x);

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)
8.3.70.0080.00818.40
8.3.60.0100.00718.25
8.3.50.0110.01118.32
8.3.40.0090.00618.61
8.3.30.0070.00718.49
8.3.20.0040.00419.24
8.3.10.0060.00323.48
8.3.00.0000.00720.68
8.2.180.0070.00716.63
8.2.170.0070.00722.96
8.2.160.0070.00722.02
8.2.150.0000.00825.66
8.2.140.0100.00024.66
8.2.130.0080.00019.54
8.2.120.0070.00026.35
8.2.110.0030.01321.04
8.2.100.0050.00517.59
8.2.90.0040.00417.38
8.2.80.0060.00317.97
8.2.70.0040.00417.91
8.2.60.0040.00417.84
8.2.50.0050.00318.10
8.2.40.0070.00019.30
8.2.30.0070.00019.10
8.2.20.0040.00417.86
8.2.10.0030.00517.86
8.2.00.0050.00317.64
8.1.280.0100.01025.92
8.1.270.0000.00718.92
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0080.00023.84
8.1.230.0070.00417.64
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0060.00317.23
8.1.180.0030.00518.10
8.1.170.0030.00518.65
8.1.160.0050.00218.82
8.1.150.0000.00818.73
8.1.140.0000.00722.13
8.1.130.0030.00320.26
8.1.120.0000.00717.39
8.1.110.0020.00517.31
8.1.100.0080.00017.41
8.1.90.0000.00717.47
8.1.80.0040.00417.35
8.1.70.0000.00717.29
8.1.60.0030.00617.50
8.1.50.0000.00717.43
8.1.40.0080.00017.50
8.1.30.0070.00317.59
8.1.20.0000.00817.51
8.1.10.0000.00717.40
8.1.00.0040.00417.34
8.0.300.0080.00018.77
8.0.290.0080.00016.63
8.0.280.0070.00018.39
8.0.270.0070.00017.19
8.0.260.0030.00318.38
8.0.250.0060.00016.86
8.0.240.0030.00316.91
8.0.230.0030.00316.84
8.0.220.0070.00016.85
8.0.210.0070.00016.81
8.0.200.0040.00416.87
8.0.190.0000.00816.91
8.0.180.0070.00016.74
8.0.170.0080.00016.80
8.0.160.0040.00416.71
8.0.150.0000.00816.77
8.0.140.0040.00416.73
8.0.130.0030.00313.30
8.0.120.0040.00416.84
8.0.110.0000.00816.65
8.0.100.0040.00416.68
8.0.90.0020.00516.82
8.0.80.0080.00816.77
8.0.70.0080.00016.80
8.0.60.0040.00416.69
8.0.50.0070.00016.60
8.0.30.0120.00617.13
8.0.20.0090.00917.40
8.0.10.0040.00416.81
8.0.00.0080.01016.77
7.4.330.0060.00015.55
7.4.320.0000.00616.54
7.4.300.0030.00316.38
7.4.290.0070.00016.41
7.4.280.0040.00416.50
7.4.270.0030.00316.36
7.4.260.0100.00016.43
7.4.250.0000.00716.35
7.4.240.0040.00416.54
7.4.230.0000.00716.55
7.4.220.0080.00016.56
7.4.210.0060.00916.54
7.4.200.0040.00416.31
7.4.160.0130.00416.35
7.4.140.0090.01017.86
7.4.130.0070.01016.37
7.4.120.0080.01016.50
7.4.110.0090.00916.39
7.4.100.0150.00616.48
7.4.90.0100.00716.26
7.4.80.0100.01319.39
7.4.70.0100.01216.54
7.4.60.0060.00816.56
7.4.50.0070.01016.24
7.4.40.0130.00316.46
7.4.00.0070.01014.96
7.3.330.0030.00313.14
7.3.320.0030.00313.12
7.3.310.0040.00416.13
7.3.300.0030.00316.20
7.3.290.0030.00316.23
7.3.280.0080.00916.19
7.3.260.0090.00816.29
7.3.240.0110.00916.40
7.3.230.0100.00716.31
7.3.210.0170.00616.36
7.3.200.0060.00916.36
7.3.190.0160.00616.42
7.3.180.0080.00816.11
7.3.170.0110.01116.36
7.3.160.0120.00316.51
7.3.120.0100.01014.97
7.3.110.0070.00414.58
7.3.100.0090.01214.65
7.3.90.0000.01314.81
7.3.80.0070.00414.95
7.3.70.0000.01614.88
7.3.60.0000.01314.82
7.3.50.0090.00314.70
7.3.40.0150.00014.81
7.3.30.0120.00314.70
7.3.20.0030.00916.63
7.3.10.0070.01116.59
7.3.00.0130.00616.70
7.2.330.0100.00716.44
7.2.320.0060.01316.38
7.2.310.0000.01616.45
7.2.300.0160.00316.44
7.2.290.0110.00616.63
7.2.250.0030.01614.96
7.2.240.0080.00815.13
7.2.230.0000.01515.18
7.2.220.0040.01114.89
7.2.210.0060.00615.10
7.2.200.0100.00714.65
7.2.190.0030.00714.60
7.2.180.0000.01715.02
7.2.170.0110.00814.80
7.2.160.0110.00314.90
7.2.150.0100.00716.98
7.2.140.0100.00316.87
7.2.130.0060.01316.82
7.2.120.0060.00316.79
7.2.110.0240.01415.70
7.2.100.0150.00715.72
7.2.90.0160.00715.85
7.2.80.0320.00315.61
7.2.70.0210.01016.06
7.2.60.0250.00816.00
7.2.50.0210.01015.94
7.2.40.0150.01015.79
7.2.30.0200.00815.88
7.2.20.0250.00715.89
7.2.10.0310.00515.87
7.2.00.0390.00615.92
7.1.330.0030.01415.73
7.1.320.0100.00315.56
7.1.310.0070.01015.73
7.1.300.0040.01415.95
7.1.290.0100.00615.64
7.1.280.0090.00615.39
7.1.270.0030.01015.57
7.1.260.0070.00715.73
7.1.250.0070.01015.62
7.1.240.0030.01015.74
7.1.230.0250.00614.61
7.1.220.0160.01114.72
7.1.210.0310.00414.60
7.1.200.0180.00514.85
7.1.190.0210.00514.62
7.1.180.0170.00514.72
7.1.170.0250.00514.78
7.1.160.0270.00614.79
7.1.150.0170.00514.82
7.1.140.0190.00214.80
7.1.130.0310.00814.78
7.1.120.0330.01214.62
7.1.110.0280.00514.77
7.1.100.0200.00714.69
7.1.90.0190.00514.69
7.1.80.0150.01114.78
7.1.70.0230.00514.70
7.1.60.0360.00623.75
7.1.50.0320.01123.75
7.1.40.0280.00323.77
7.1.30.0260.01023.82
7.1.20.0280.01023.64
7.1.10.0270.01214.87
7.1.00.0260.01214.87
7.0.330.0030.00915.33
7.0.320.0070.00715.32
7.0.310.0080.00014.94
7.0.300.0000.01215.21
7.0.290.0100.00315.46
7.0.280.0060.00615.13
7.0.270.0040.00715.56
7.0.260.0060.00615.32
7.0.250.0090.00415.28
7.0.240.0030.00615.34
7.0.230.0060.01115.37
7.0.220.0060.00615.45
7.0.210.0040.00815.35
7.0.200.0030.01015.09
7.0.190.0080.00015.20
7.0.180.0000.01215.18
7.0.170.0060.01015.46
7.0.160.0030.01015.27
7.0.150.0030.00915.50
7.0.140.0000.00915.35
7.0.130.0040.01115.16
7.0.120.0080.00415.51
7.0.110.0060.00615.48
7.0.100.0080.00415.43
7.0.90.0070.00715.07
7.0.80.0060.00615.54
7.0.70.0030.00615.04
7.0.60.0030.01015.46
7.0.50.0000.01315.39
7.0.40.0040.00413.42
7.0.30.0040.00813.24
7.0.20.0030.01013.42
7.0.10.0080.00013.44
7.0.00.0030.01013.23
5.6.400.0040.01114.72
5.6.390.0040.01114.41
5.6.380.0070.00414.40
5.6.370.0080.00414.06
5.6.360.0000.00814.69
5.6.350.0070.00714.20
5.6.340.0040.00714.27
5.6.330.0000.01214.39
5.6.320.0000.01614.46
5.6.310.0090.00314.03
5.6.300.0000.01714.48
5.6.290.0070.00714.55
5.6.280.0120.00314.59
5.6.270.0040.00414.25
5.6.260.0040.01214.31
5.6.250.0120.00314.33
5.6.240.0030.01014.58
5.6.230.0060.00614.38
5.6.220.0060.00614.41
5.6.210.0070.01014.35
5.6.200.0090.00314.18
5.6.190.0000.01214.17
5.6.180.0050.00514.37
5.6.170.0000.00914.39
5.6.160.0000.01414.31
5.6.150.0120.00314.59
5.6.140.0160.00014.54
5.6.130.0120.00314.30
5.6.120.0070.00714.42
5.6.110.0060.00914.28
5.6.100.0060.01014.27
5.6.90.0100.00714.07
5.6.80.0030.01314.22
5.6.70.0030.01014.30
5.6.60.0070.00714.17
5.6.50.0060.00314.34
5.6.40.0110.00414.30
5.6.30.0000.01114.33
5.6.20.0060.00614.04
5.6.10.0110.00314.19
5.6.00.0000.00814.27

preferences:
54.87 ms | 401 KiB | 5 Q