3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SomeClass {} $instance = new SomeClass(); $reference = &$instance; echo (($instance === $reference) ? 'TRUE' : 'FALSE') ."\n"; $assigned = $instance; echo ($instance === $assigned) ? 'TRUE' : 'FALSE';

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)
8.3.60.0110.00416.49
8.3.50.0070.00716.48
8.3.40.0080.00618.67
8.3.30.0070.00718.54
8.3.20.0040.00420.35
8.3.10.0040.00423.66
8.3.00.0040.00423.68
8.2.180.0140.00316.32
8.2.170.0140.00022.96
8.2.160.0030.01020.43
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00419.64
8.2.120.0080.00026.35
8.2.110.0060.00321.05
8.2.100.0040.00818.04
8.2.90.0040.00419.25
8.2.80.0040.00417.97
8.2.70.0000.01017.50
8.2.60.0060.00318.04
8.2.50.0000.00818.07
8.2.40.0040.00422.35
8.2.30.0060.00319.42
8.2.20.0000.00817.68
8.2.10.0040.00418.05
8.2.00.0040.00418.05
8.1.280.0060.01225.92
8.1.270.0040.01423.77
8.1.260.0130.00028.09
8.1.250.0080.00028.09
8.1.240.0050.00523.91
8.1.230.0080.00319.16
8.1.220.0040.00417.78
8.1.210.0090.00018.77
8.1.200.0000.00817.22
8.1.190.0030.00617.23
8.1.180.0030.00618.10
8.1.170.0040.00418.55
8.1.160.0040.00420.75
8.1.150.0050.00518.81
8.1.140.0030.00619.58
8.1.130.0000.00717.61
8.1.120.0000.00717.38
8.1.110.0000.00717.46
8.1.100.0030.00317.43
8.1.90.0030.00617.53
8.1.80.0000.00917.36
8.1.70.0040.00417.38
8.1.60.0040.00417.64
8.1.50.0000.00817.49
8.1.40.0050.00317.43
8.1.30.0000.00817.54
8.1.20.0040.00417.55
8.1.10.0000.00717.63
8.1.00.0030.00617.34
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.37
8.0.270.0000.00717.25
8.0.260.0000.00617.12
8.0.250.0000.00716.98
8.0.240.0000.00817.00
8.0.230.0000.00716.95
8.0.220.0030.00316.86
8.0.210.0070.00016.75
8.0.200.0000.00616.95
8.0.190.0000.00816.84
8.0.180.0050.00316.95
8.0.170.0000.00816.84
8.0.160.0000.00716.81
8.0.150.0030.00516.86
8.0.140.0000.00716.71
8.0.130.0000.00613.36
8.0.120.0000.00816.84
8.0.110.0040.00416.72
8.0.100.0070.00016.84
8.0.90.0040.00416.89
8.0.80.0060.01216.77
8.0.70.0040.00416.95
8.0.60.0040.00416.64
8.0.50.0000.00816.86
8.0.30.0120.00716.95
8.0.20.0050.01517.40
8.0.10.0040.00416.82
8.0.00.0110.01016.74
7.4.330.0000.00516.67
7.4.320.0040.00416.60
7.4.300.0030.00316.65
7.4.290.0030.00516.43
7.4.280.0000.00816.48
7.4.270.0060.00016.52
7.4.260.0070.00016.58
7.4.250.0050.00216.40
7.4.240.0010.00616.57
7.4.230.0000.00716.62
7.4.220.0090.01816.45
7.4.210.0000.01516.54
7.4.200.0040.00416.70
7.4.160.0080.00816.62
7.4.150.0210.00017.40
7.4.140.0140.00417.86
7.4.130.0140.00816.48
7.4.120.0100.00816.50
7.4.110.0040.01516.68
7.4.100.0110.00616.42
7.4.90.0060.01016.27
7.4.80.0100.01019.39
7.4.70.0070.01616.45
7.4.60.0100.00616.42
7.4.50.0070.01016.41
7.4.40.0070.01016.37
7.4.30.0170.00016.34
7.4.00.0080.00815.01
7.3.330.0020.00213.16
7.3.320.0050.00013.28
7.3.310.0050.00316.12
7.3.300.0030.00316.11
7.3.290.0090.00916.25
7.3.280.0040.01116.30
7.3.270.0140.01317.40
7.3.260.0270.02116.40
7.3.250.0100.00816.51
7.3.240.0150.00616.26
7.3.230.0080.00916.42
7.3.210.0100.01016.64
7.3.200.0000.01619.39
7.3.190.0030.01416.33
7.3.180.0060.00916.26
7.3.170.0040.01616.27
7.3.160.0120.00916.66
7.3.120.0100.01014.52
7.3.110.0100.00715.02
7.3.100.0060.01314.74
7.3.90.0100.00614.89
7.3.80.0000.01314.98
7.3.70.0040.00414.89
7.3.60.0070.01114.87
7.3.50.0150.00014.93
7.3.40.0090.00014.78
7.3.30.0030.00614.88
7.3.20.0040.00716.37
7.3.10.0060.00616.67
7.3.00.0110.00416.73
7.2.330.0130.00416.76
7.2.320.0080.00816.83
7.2.310.0070.01016.34
7.2.300.0130.00316.67
7.2.290.0130.00716.62
7.2.250.0080.00614.91
7.2.240.0060.01315.20
7.2.230.0060.00915.22
7.2.220.0070.00715.18
7.2.210.0090.00915.02
7.2.200.0090.00314.95
7.2.190.0040.00415.11
7.2.180.0100.00615.00
7.2.170.0060.00615.07
7.2.160.0030.01314.94
7.2.150.0090.00616.99
7.2.140.0100.00316.83
7.2.130.0100.00316.83
7.2.120.0060.00916.98
7.2.110.0030.00716.70
7.2.100.0070.00716.81
7.2.90.0100.00316.90
7.2.80.0030.01216.95
7.2.70.0030.01316.80
7.2.60.0060.01316.91
7.2.50.0100.00716.71
7.2.40.0040.01116.82
7.2.30.0100.00617.15
7.2.20.0000.01616.73
7.2.10.0030.01516.87
7.2.00.0090.00618.22
7.1.330.0090.00615.84
7.1.320.0000.01416.01
7.1.310.0030.01415.93
7.1.300.0000.01115.67
7.1.290.0030.01315.89
7.1.280.0030.00515.84
7.1.270.0000.01515.65
7.1.260.0070.00715.88
7.1.250.0000.01015.64
7.1.240.0060.00615.48
7.1.230.0040.00815.91
7.1.220.0130.00715.62
7.1.210.0120.00815.76
7.1.200.0070.00415.89
7.1.190.0110.00315.85
7.1.180.0060.00915.88
7.1.170.0070.00715.63
7.1.160.0000.01415.71
7.1.150.0070.01015.64
7.1.140.0080.00815.75
7.1.130.0070.00715.81
7.1.120.0060.01215.79
7.1.110.0070.00415.71
7.1.100.0040.01116.72
7.1.90.0100.00315.57
7.1.80.0000.00915.64
7.1.70.0040.00716.44
7.1.60.0100.01117.57
7.1.50.0120.01016.16
7.1.40.0090.00915.73
7.1.30.0070.00715.79
7.1.20.0030.01015.57
7.1.10.0000.01415.55
7.1.00.0100.03718.98
7.0.330.0040.01215.18
7.0.320.0030.00915.47
7.0.310.0070.00715.05
7.0.300.0070.00715.03
7.0.290.0000.01315.19
7.0.280.0030.01315.38
7.0.270.0070.00715.45
7.0.260.0040.01215.24
7.0.250.0030.01015.53
7.0.240.0030.00615.46
7.0.230.0030.01315.45
7.0.220.0070.00715.13
7.0.210.0060.00915.12
7.0.200.0060.00616.17
7.0.190.0030.01315.25
7.0.180.0060.00315.15
7.0.170.0000.01015.33
7.0.160.0070.00715.46
7.0.150.0060.00915.38
7.0.140.0050.01015.27
7.0.130.0080.00615.59
7.0.120.0030.01115.30
7.0.110.0090.00315.52
7.0.100.0030.00615.28
7.0.90.0140.00015.37
7.0.80.0100.00315.25
7.0.70.0040.00815.36
7.0.60.0020.04518.47
7.0.50.0020.03716.54
7.0.40.0130.03816.82
7.0.30.0170.02416.73
7.0.20.0200.03716.71
7.0.10.0080.04616.77
7.0.00.0050.04816.80
5.6.400.0100.00314.50
5.6.390.0000.01314.73
5.6.380.0070.00714.36
5.6.370.0000.01314.52
5.6.360.0100.00614.63
5.6.350.0060.00814.15
5.6.340.0120.00314.47
5.6.330.0070.01014.54
5.6.320.0070.00413.98
5.6.310.0060.00914.37
5.6.300.0060.01014.38
5.6.290.0060.00614.35
5.6.280.0060.04117.62
5.6.270.0000.01414.22
5.6.260.0070.00414.28
5.6.250.0030.00714.34
5.6.240.0150.00014.27
5.6.230.0030.01014.40
5.6.220.0060.00914.23
5.6.210.0080.04217.43
5.6.200.0100.04016.29
5.6.190.0070.04317.42
5.6.180.0240.03617.42
5.6.170.0190.02817.35
5.6.160.0060.03217.49
5.6.150.0080.03316.34
5.6.140.0050.04216.14
5.6.130.0050.02416.25
5.6.120.0070.04517.56
5.6.110.0130.04117.57
5.6.100.0100.03517.77
5.6.90.0070.03217.66
5.6.80.0020.04017.50
5.6.70.0040.01114.18
5.6.60.0100.00714.30
5.6.50.0000.01114.43
5.6.40.0070.00714.37
5.6.30.0000.01214.31
5.6.20.0040.00714.32
5.6.10.0040.00814.41
5.6.00.0040.01114.13
5.5.380.0090.00914.11
5.5.370.0100.00713.96
5.5.360.0040.00814.21
5.5.350.2170.02517.38
5.5.340.0060.04716.14
5.5.330.0070.04317.18
5.5.320.0300.03517.25
5.5.310.0120.02717.40
5.5.300.0080.04016.04
5.5.290.0120.03716.11
5.5.280.0100.04217.64
5.5.270.0060.04517.52
5.5.260.0050.04517.54
5.5.250.0030.02317.33
5.5.240.0100.02417.08
5.5.230.0000.01214.36
5.5.220.0060.00314.23
5.5.210.0040.00414.16
5.5.200.0040.00813.99
5.5.190.0040.01114.05
5.5.180.0000.01714.39
5.5.170.0030.00914.25
5.5.160.0080.00814.40
5.5.150.0070.01014.48
5.5.140.0070.00714.29
5.5.130.0070.00714.08
5.5.120.0040.01414.36
5.5.110.0000.01314.17
5.5.100.0030.01014.14
5.5.90.0060.00913.80
5.5.80.0050.00514.34
5.5.70.0040.00414.27
5.5.60.0030.01014.02
5.5.50.0090.00713.89
5.5.40.0150.00014.11
5.5.30.0030.01014.32
5.5.20.0070.00414.19
5.5.10.0060.00614.48
5.5.00.0060.00614.33

preferences:
58.01 ms | 400 KiB | 5 Q