3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o1 = new stdclass($a=8); var_dump($a); // 8 or 24? And, why?

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)
8.3.60.0060.01518.56
8.3.50.0070.01621.27
8.3.40.0130.01018.75
8.3.30.0100.01020.29
8.3.20.0140.00419.98
8.3.10.0040.00422.15
8.3.00.0060.00322.51
8.2.180.0140.00716.38
8.2.170.0120.00322.96
8.2.160.0070.01322.08
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0140.00326.16
8.2.120.0040.00420.61
8.2.110.0080.00022.29
8.2.100.0090.00317.59
8.2.90.0000.00819.09
8.2.80.0040.00419.21
8.2.70.0000.00817.38
8.2.60.0080.00517.55
8.2.50.0120.00018.07
8.2.40.0080.00517.97
8.2.30.0000.00719.49
8.2.20.0040.00417.46
8.2.10.0030.00517.69
8.2.00.0050.00217.58
8.1.280.0090.00625.92
8.1.270.0030.00623.99
8.1.260.0090.00926.35
8.1.250.0150.00328.09
8.1.240.0000.00923.87
8.1.230.0040.00720.82
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0100.00017.13
8.1.190.0000.00817.51
8.1.180.0050.00318.10
8.1.170.0000.00818.55
8.1.160.0040.00418.73
8.1.150.0000.00718.65
8.1.140.0000.00717.26
8.1.130.0030.00317.92
8.1.120.0080.00017.30
8.1.110.0070.00017.38
8.1.100.0000.00717.35
8.1.90.0000.00717.43
8.1.80.0030.00717.38
8.1.70.0070.00017.37
8.1.60.0000.00817.40
8.1.50.0000.00817.43
8.1.40.0000.00817.43
8.1.30.0000.00717.51
8.1.20.0030.00617.59
8.1.10.0050.00317.45
8.1.00.0030.00617.48
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0030.00318.35
8.0.270.0000.00717.06
8.0.260.0050.00316.77
8.0.250.0000.00616.82
8.0.240.0080.00016.86
8.0.230.0000.00716.77
8.0.220.0070.00016.87
8.0.210.0090.00016.82
8.0.200.0030.00316.91
8.0.190.0000.00716.80
8.0.180.0040.00316.73
8.0.170.0050.00316.86
8.0.160.0050.00216.76
8.0.150.0000.00716.73
8.0.140.0030.00816.80
8.0.130.0000.00613.26
8.0.120.0040.00416.78
8.0.110.0040.00416.80
8.0.100.0000.00816.69
8.0.90.0000.00716.78
8.0.80.0080.00816.87
8.0.70.0000.00816.84
8.0.60.0050.00316.76
8.0.50.0040.00416.64
8.0.30.0100.00816.93
8.0.20.0130.00917.40
8.0.10.0040.00416.80
8.0.00.0060.01216.78
7.4.330.0020.00215.00
7.4.320.0030.00316.53
7.4.300.0030.00316.55
7.4.290.0050.00316.45
7.4.280.0040.00416.48
7.4.270.0030.00316.36
7.4.260.0000.00613.23
7.4.250.0050.00216.48
7.4.240.0000.00716.45
7.4.230.0070.00016.34
7.4.220.0120.00916.40
7.4.210.0080.00916.43
7.4.200.0050.00316.63
7.4.190.0070.00016.50
7.4.160.0130.01016.47
7.4.150.0030.01417.40
7.4.140.0060.01017.86
7.4.130.0070.00916.52
7.4.120.0090.00816.56
7.4.110.0060.01216.48
7.4.100.0080.00816.50
7.4.90.0130.00716.31
7.4.80.0120.01119.39
7.4.70.0070.01016.22
7.4.60.0070.01416.30
7.4.50.0050.00316.37
7.4.40.0100.00722.77
7.4.30.0070.01016.52
7.4.00.0110.00414.90
7.3.330.0000.00512.98
7.3.320.0000.00512.93
7.3.310.0040.00416.20
7.3.300.0050.00216.14
7.3.290.0070.00716.09
7.3.280.0090.00916.16
7.3.270.0130.00317.40
7.3.260.0110.00716.08
7.3.250.0080.01416.20
7.3.240.0100.00716.19
7.3.230.0060.00916.39
7.3.210.0070.01416.03
7.3.200.0170.00619.39
7.3.190.0070.01016.16
7.3.180.0100.00616.58
7.3.170.0030.01416.47
7.3.160.0030.01516.36
7.3.120.0090.00914.83
7.3.10.0040.01116.43
7.3.00.0070.00716.25
7.2.330.0100.00716.45
7.2.320.0090.00616.70
7.2.310.0030.01416.26
7.2.300.0060.01016.55
7.2.290.0060.01716.39
7.2.130.0060.00616.54
7.2.120.0040.00716.57
7.2.110.0070.00716.73
7.2.100.0030.01216.77
7.2.90.0100.00316.75
7.2.80.0080.00316.55
7.2.70.0040.00716.75
7.2.60.0080.00516.61
7.2.50.0050.00516.76
7.2.40.0080.00817.00
7.2.30.0000.01416.91
7.2.20.0080.00316.47
7.2.10.0030.00916.25
7.2.00.0040.00617.88
7.1.250.0030.00715.57
7.1.240.0080.00315.71
7.1.230.0030.01015.66
7.1.220.0000.01015.83
7.1.210.0070.01015.69
7.1.200.0100.00715.60
7.1.190.0040.01115.77
7.1.180.0040.00415.73
7.1.170.0040.00415.71
7.1.160.0060.00315.67
7.1.150.0090.00015.35
7.1.140.0050.00515.59
7.1.130.0040.01115.47
7.1.120.0060.00715.90
7.1.110.0060.00915.95
7.1.100.0050.01016.84
7.1.90.0060.00915.81
7.1.80.0090.00615.67
7.1.70.0040.00516.38
7.1.60.0030.01017.44
7.1.50.0040.00916.26
7.1.40.0100.00715.80
7.1.30.0060.00615.71
7.1.20.0080.00815.75
7.1.10.0060.00615.34
7.1.00.0050.03519.12
7.0.330.0080.00415.45
7.0.320.0070.01015.37
7.0.310.0060.00315.03
7.0.300.0030.00815.49
7.0.290.0110.00015.30
7.0.280.0110.00315.25
7.0.270.0070.00715.15
7.0.260.0000.01314.98
7.0.250.0060.00915.08
7.0.240.0110.00415.39
7.0.230.0040.00815.01
7.0.220.0040.00814.84
7.0.210.0040.00814.96
7.0.200.0050.00615.82
7.0.190.0040.01115.44
7.0.180.0000.01415.43
7.0.170.0040.01115.18
7.0.160.0170.00314.97
7.0.150.0040.00715.30
7.0.140.0030.04018.57
7.0.130.0000.00915.17
7.0.120.0100.00715.20
7.0.110.0000.00815.25
7.0.100.0080.04217.46
7.0.90.0040.04017.55
7.0.80.0070.04017.71
7.0.70.0090.03717.48
7.0.60.0080.04217.69
7.0.50.0050.04717.74
7.0.40.0050.04416.64
7.0.30.0120.03916.51
7.0.20.0020.03216.68
7.0.10.0080.04316.71
7.0.00.0110.03916.84
5.6.380.0100.00314.31
5.6.370.0040.01414.07
5.6.360.0070.00314.38
5.6.350.0090.00614.30
5.6.340.0040.00714.26
5.6.330.0040.01114.17
5.6.320.0030.01014.15
5.6.310.0000.01414.26
5.6.300.0120.00013.98
5.6.290.0110.00414.59
5.6.280.0050.05117.47
5.6.270.0030.01014.01
5.6.260.0030.01114.28
5.6.250.0030.04517.41
5.6.240.0070.02417.30
5.6.230.0140.03517.47
5.6.220.0000.04117.38
5.6.210.0070.04317.37
5.6.200.0070.04117.61
5.6.190.0060.04317.58
5.6.180.0150.03117.47
5.6.170.0130.03817.62
5.6.160.0030.04617.54
5.6.150.0070.03717.47
5.6.140.0070.04417.58
5.6.130.0050.03017.64
5.6.120.0090.04017.55
5.6.110.0050.04917.55
5.6.100.0120.04217.42
5.6.90.0080.03517.59
5.6.80.0000.03117.38
5.6.70.0050.02517.10
5.6.60.0090.03817.41
5.6.50.0090.02017.40
5.6.40.0100.02517.22
5.6.30.0070.02317.25
5.6.20.0050.02517.09
5.6.10.0030.02617.13
5.6.00.0050.03417.28
5.5.380.0070.03115.52
5.5.370.0100.03715.72
5.5.360.0070.04015.56
5.5.350.0030.04415.59
5.5.340.0050.04315.86
5.5.330.0050.03815.81
5.5.320.0070.03815.79
5.5.310.0070.04315.80
5.5.300.0020.05115.79
5.5.290.0080.04015.77
5.5.280.0060.04315.98
5.5.270.0080.04315.96
5.5.260.0070.02715.80
5.5.250.0050.04415.81
5.5.240.0090.03315.49
5.5.230.0080.04015.50
5.5.220.0030.02915.60
5.5.210.0070.02115.56
5.5.200.0100.04015.43
5.5.190.0050.02215.42
5.5.180.0010.03115.48
5.5.170.0000.01010.71
5.5.160.0050.02315.51
5.5.150.0060.03115.48
5.5.140.0030.04215.50
5.5.130.0030.03315.55
5.5.120.0050.02215.49
5.5.110.0020.02215.45
5.5.100.0020.04815.45
5.5.90.0070.03615.43
5.5.80.0050.03615.39
5.5.70.0100.03815.46
5.5.60.0000.04115.37
5.5.50.0030.02215.39
5.5.40.0030.02815.38
5.5.30.0020.03215.38
5.5.20.0030.04415.37
5.5.10.0020.02415.48
5.5.00.0070.02215.46
5.4.450.0020.05115.20
5.4.440.0030.04514.98
5.4.430.0050.04315.05
5.4.420.0070.04215.03
5.4.410.0030.02615.02
5.4.400.0020.04615.00
5.4.390.0050.04414.95
5.4.380.0090.03714.95
5.4.370.0000.03414.84
5.4.360.0050.03814.84
5.4.350.0030.02014.95
5.4.340.0050.02014.99
5.4.330.0000.00710.74
5.4.320.0050.02714.88
5.4.310.0050.02514.88
5.4.300.0050.02214.93
5.4.290.0000.04014.85
5.4.280.0040.02914.90
5.4.270.0040.02614.92
5.4.260.0070.04014.89
5.4.250.0070.03714.90
5.4.240.0030.03514.87
5.4.230.0020.02314.83
5.4.220.0080.01614.88
5.4.210.0000.02714.97
5.4.200.0030.04015.00
5.4.190.0040.03515.00
5.4.180.0070.02014.80
5.4.170.0020.02414.80
5.4.160.0050.02114.82
5.4.150.0000.02314.89
5.4.140.0030.02313.49
5.4.130.0030.02013.55
5.4.120.0040.02513.51
5.4.110.0000.03113.49
5.4.100.0020.03513.54
5.4.90.0000.02513.58
5.4.80.0050.02213.60
5.4.70.0030.02013.45
5.4.60.0030.01813.55
5.4.50.0060.03013.54
5.4.40.0060.01813.64
5.4.30.0030.02013.60
5.4.20.0060.01813.57
5.4.10.0040.01913.61
5.4.00.0040.03313.19
5.3.290.0020.02312.68
5.3.280.0040.04012.66
5.3.270.0020.02012.65
5.3.260.0040.02812.59
5.3.250.0060.02112.58
5.3.240.0030.04112.63
5.3.230.0030.02212.56
5.3.220.0100.03512.62
5.3.210.0070.03512.63
5.3.200.0060.01812.57
5.3.190.0000.02912.62
5.3.180.0070.01612.63
5.3.170.0020.02312.57
5.3.160.0000.02912.61
5.3.150.0020.02412.63
5.3.140.0030.03712.59
5.3.130.0020.02312.62
5.3.120.0040.02212.62
5.3.110.0010.02512.60
5.3.100.0060.02112.38
5.3.90.0050.02612.37
5.3.80.0070.02012.34
5.3.70.0020.02212.33
5.3.60.0080.03612.33
5.3.50.0080.03512.23
5.3.40.0120.03512.31
5.3.30.0060.03812.29
5.3.20.0060.03812.19
5.3.10.0080.03512.07
5.3.00.0030.04012.16
5.2.170.0060.02810.86
5.2.160.0010.02810.93
5.2.150.0050.03110.88
5.2.140.0030.03110.88
5.2.130.0100.02710.81
5.2.120.0030.02010.86
5.2.110.0060.02010.86
5.2.100.0060.02510.91
5.2.90.0050.03110.90
5.2.80.0030.03310.91
5.2.70.0070.03010.82
5.2.60.0030.02310.82
5.2.50.0030.02810.86
5.2.40.0030.03510.85
5.2.30.0000.02810.83
5.2.20.0050.03110.75
5.2.10.0020.03210.80
5.2.00.0070.02010.71
5.1.60.0070.02310.49
5.1.50.0020.03010.49
5.1.40.0020.02910.49
5.1.30.0060.02610.53
5.1.20.0030.03110.54
5.1.10.0010.03010.49
5.1.00.0040.03010.49
5.0.50.0020.02310.49
5.0.40.0040.01910.49
5.0.30.0020.02710.49
5.0.20.0030.02210.49
5.0.10.0020.02410.49
5.0.00.0020.03510.49
4.4.90.0020.02110.49
4.4.80.0030.01710.49
4.4.70.0070.01510.49
4.4.60.0030.01810.49
4.4.50.0020.01310.49
4.4.40.0020.02810.49
4.4.30.0000.01610.49
4.4.20.0020.01310.49
4.4.10.0020.01910.49
4.4.00.0030.01910.49
4.3.110.0040.01810.49
4.3.100.0020.01010.49
4.3.90.0000.02110.49
4.3.80.0010.02810.49
4.3.70.0030.01310.49
4.3.60.0070.01310.49
4.3.50.0000.01910.49
4.3.40.0020.02710.49
4.3.30.0030.01810.49
4.3.20.0020.02210.49
4.3.10.0030.01810.49
4.3.00.0020.01010.49

preferences:
64.58 ms | 401 KiB | 5 Q