3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new \stdClass(); $a->b = 1; $a->c = 2; $d = clone $a; foreach ($d as $key=>&$value) { $value += 10; } unset($value); var_dump($a); var_dump($d);

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)
8.3.60.0180.00418.68
8.3.50.0110.00718.30
8.3.40.0220.00018.67
8.3.30.0090.00618.80
8.3.20.0000.00821.76
8.3.10.0050.00323.61
8.3.00.0050.00321.90
8.2.180.0150.00716.50
8.2.170.0110.00422.96
8.2.160.0070.01022.08
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00022.21
8.2.120.0040.00426.16
8.2.110.0100.00020.99
8.2.100.0090.00317.89
8.2.90.0030.00619.76
8.2.80.0050.00317.97
8.2.70.0030.00517.93
8.2.60.0060.00318.28
8.2.50.0030.00518.34
8.2.40.0000.00720.45
8.2.30.0040.00419.15
8.2.20.0000.00818.18
8.2.10.0070.00018.16
8.2.00.0000.00718.16
8.1.280.0140.00625.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0090.00028.09
8.1.240.0090.00020.75
8.1.230.0040.00819.10
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00617.48
8.1.190.0030.00617.35
8.1.180.0080.00418.10
8.1.170.0000.00818.71
8.1.160.0040.00418.80
8.1.150.0000.00718.77
8.1.140.0070.00018.91
8.1.130.0100.00018.92
8.1.120.0030.00617.48
8.1.110.0050.00317.42
8.1.100.0040.00417.43
8.1.90.0000.00817.43
8.1.80.0080.00017.36
8.1.70.0070.00017.35
8.1.60.0030.00617.49
8.1.50.0000.00717.51
8.1.40.0000.00817.49
8.1.30.0030.00617.66
8.1.20.0060.00317.51
8.1.10.0060.00317.56
8.1.00.0060.00317.43
8.0.300.0040.00420.09
8.0.290.0000.00716.63
8.0.280.0070.00018.49
8.0.270.0000.01016.74
8.0.260.0000.00816.82
8.0.250.0030.00316.98
8.0.240.0040.00716.94
8.0.230.0030.00316.99
8.0.220.0070.00016.90
8.0.210.0030.00316.91
8.0.200.0040.00416.91
8.0.190.0030.00616.90
8.0.180.0030.00316.90
8.0.170.0030.00616.79
8.0.160.0030.00316.91
8.0.150.0030.00316.75
8.0.140.0030.00316.75
8.0.130.0000.00613.33
8.0.120.0020.00716.83
8.0.110.0070.00016.95
8.0.100.0030.00516.83
8.0.90.0000.00717.02
8.0.80.0100.01416.85
8.0.70.0070.00016.77
8.0.60.0030.00516.71
8.0.50.0050.00516.68
8.0.30.0110.00817.02
8.0.20.0140.00817.40
8.0.10.0050.00317.06
8.0.00.0090.00916.70
7.4.330.0050.00015.55
7.4.320.0060.00016.61
7.4.300.0060.00316.61
7.4.290.0000.00716.49
7.4.280.0050.00316.62
7.4.270.0030.00316.61
7.4.260.0040.00416.61
7.4.250.0050.00316.38
7.4.240.0000.00816.65
7.4.230.0070.00016.48
7.4.220.0070.00016.44
7.4.210.0110.00916.71
7.4.200.0070.00016.45
7.4.160.0090.00816.44
7.4.150.0090.00917.40
7.4.140.0160.00617.86
7.4.130.0120.00816.42
7.4.120.0100.01216.45
7.4.110.0080.01116.39
7.4.100.0090.01216.55
7.4.90.0110.00916.38
7.4.80.0140.00717.93
7.4.70.0070.01416.38
7.4.60.0140.00916.46
7.4.50.0080.01016.57
7.4.40.0150.00516.36
7.4.30.0140.00716.46
7.4.20.0040.02116.43
7.4.10.0230.00016.36
7.4.00.0110.00715.58
7.3.330.0030.00313.11
7.3.320.0000.00513.04
7.3.310.0070.00016.26
7.3.300.0000.00716.29
7.3.290.0090.00716.29
7.3.280.0130.00316.24
7.3.270.0160.00417.40
7.3.260.0080.01116.24
7.3.250.0090.01216.46
7.3.240.0160.00916.52
7.3.230.0120.00716.38
7.3.220.0140.01116.36
7.3.210.0140.00516.26
7.3.200.0110.01016.29
7.3.190.0150.00816.44
7.3.180.0050.01216.52
7.3.170.0060.01316.26
7.3.160.0150.00616.30
7.3.150.0180.00416.43
7.3.140.0150.00816.46
7.3.130.0130.00616.25
7.3.120.0100.01015.41
7.3.110.0090.01015.25
7.3.100.0080.01115.44
7.3.90.0090.00715.24
7.3.80.0090.00915.25
7.3.70.0060.01115.34
7.3.60.0140.00415.35
7.3.50.0070.00715.33
7.3.40.0080.01015.29
7.3.30.0130.00515.31
7.3.20.0110.00716.54
7.3.10.0100.00516.58
7.3.00.0110.00616.57
7.2.340.0200.00316.55
7.2.330.0120.00816.68
7.2.320.0110.01016.51
7.2.310.0120.00716.65
7.2.300.0080.01316.49
7.2.290.0080.01216.63
7.2.280.0180.00316.51
7.2.270.0110.01116.68
7.2.260.0140.00816.41
7.2.250.0130.01215.80
7.2.240.0090.01115.53
7.2.230.0070.01015.67
7.2.220.0080.01115.61
7.2.210.0040.01215.53
7.2.200.0070.01215.49
7.2.190.0090.00915.41
7.2.180.0070.00915.64
7.2.170.0120.00615.50
7.2.160.0070.01215.74
7.2.150.0060.01316.78
7.2.140.0100.00916.78
7.2.130.0110.00816.70
7.2.120.0120.00716.72
7.2.110.0110.00816.80
7.2.100.0160.00916.93
7.2.90.0110.00716.81
7.2.80.0060.01116.78
7.2.70.0060.01116.80
7.2.60.0110.00516.88
7.2.50.0080.00916.68
7.2.40.0100.01016.84
7.2.30.0090.00816.89
7.2.20.0060.01316.85
7.2.10.0100.00916.75
7.2.00.0100.01018.25
7.1.330.0150.00715.68
7.1.320.0050.01515.69
7.1.310.0140.00615.65
7.1.300.0080.01215.74
7.1.290.0180.00415.69
7.1.280.0130.00815.70
7.1.270.0130.00715.76
7.1.260.0110.01015.77
7.1.250.0170.00715.76
7.1.240.0270.01115.54
7.1.230.0290.00315.55
7.1.220.0280.01115.73
7.1.210.0340.00915.48
7.1.200.0170.01015.68
7.1.190.0260.00915.60
7.1.180.0290.01015.54
7.1.170.0260.00715.54
7.1.160.0290.01015.44
7.1.150.0330.00915.45
7.1.140.0360.00915.42
7.1.130.0200.01415.59
7.1.120.0160.00517.77
7.1.110.0090.01117.52
7.1.100.0130.00817.44
7.1.90.0110.01217.41
7.1.80.0110.00917.38
7.1.70.0100.00916.84
7.1.60.0220.00830.13
7.1.50.0240.01129.93
7.1.40.0200.01329.71
7.1.30.0220.01129.62
7.1.20.0180.01529.82
7.1.10.0080.01016.38
7.1.00.0100.01016.47
7.0.330.0310.00715.50
7.0.320.0280.00715.18
7.0.310.0260.00815.18
7.0.300.0330.00615.27
7.0.290.0230.00615.47
7.0.280.0330.00315.33
7.0.270.0200.01015.14
7.0.260.0190.01015.12
7.0.250.0200.01215.25
7.0.240.0200.01215.21
7.0.230.0270.01215.35
7.0.220.0370.01015.37
7.0.210.0290.00915.32
7.0.200.0260.01315.37
7.0.190.0290.00715.23
7.0.180.0440.00615.41
7.0.170.0150.01915.14
7.0.160.0200.01315.27
7.0.150.0240.01215.27
7.0.140.0230.01315.30
7.0.130.0220.00915.31
7.0.120.0350.00015.41
7.0.110.0320.00315.29
7.0.100.0280.01115.19
7.0.90.0280.00415.21
7.0.80.0260.00615.13
7.0.70.0270.00315.11
7.0.60.0290.00815.23
7.0.50.0220.00615.36
7.0.40.0290.01315.19
7.0.30.0290.01415.11
7.0.20.0190.01615.29
7.0.10.0230.00715.29
7.0.00.0180.01115.13
5.6.400.0240.01715.91
5.6.390.0320.00716.13
5.6.380.0190.02316.19
5.6.370.0210.01916.06
5.6.360.0200.01916.14
5.6.350.0200.01716.00
5.6.340.0230.00916.18
5.6.330.0220.01516.19
5.6.320.0320.00015.88
5.6.310.0290.00416.13
5.6.300.0270.01016.14
5.6.290.0190.01316.05
5.6.280.0280.00616.20
5.6.270.0290.01016.05
5.6.260.0310.00616.05
5.6.250.0210.01515.98
5.6.240.0320.00315.88
5.6.230.0200.01215.85
5.6.220.0220.01015.97
5.6.210.0260.00916.13
5.6.200.0210.01016.00
5.6.190.0250.00616.04
5.6.180.0190.01615.77
5.6.170.0220.01715.88
5.6.160.0300.00315.98
5.6.150.0190.01315.95
5.6.140.0310.00015.76
5.6.130.0240.01015.75
5.6.120.0250.00616.04
5.6.110.0190.01315.96
5.6.100.0240.01215.83
5.6.90.0290.00815.94
5.6.80.0210.01315.86
5.6.70.0220.01615.91
5.6.60.0330.00015.81
5.6.50.0250.01215.76
5.6.40.0200.01515.87
5.6.30.0290.00616.23
5.6.20.0290.00515.95
5.6.10.0130.02615.80
5.6.00.0210.01115.95

preferences:
46.57 ms | 400 KiB | 5 Q