3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { } class b extends a { protected $object; public function __construct() { $this->object = new stdClass(); $this->object->name = "default"; } public function setObject(stdClass $object) { $this->object = $object; } public function getObject() { return $this->object; } public function __clone() { $this->object = clone $this->object; } } class runner { public function run() { $object1 = new stdClass(); $object1->name = "object1"; $object2 = new stdClass(); $object2->name = "object2"; $b1 = new b(); $b1->setObject($object2); if ($object1 instanceof $b1->object) { $b2 = clone $b1; $b2->object = $object1; echo $b2->getObject()->name; } } } $runner = new runner(); $runner->run();

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)
8.3.60.0160.00018.49
8.3.50.0080.01022.11
8.3.40.0040.01119.02
8.3.30.0140.00319.20
8.3.20.0040.00420.30
8.3.10.0090.00022.09
8.3.00.0080.00022.52
8.2.180.0100.01016.63
8.2.170.0130.00722.96
8.2.160.0100.00720.52
8.2.150.0080.00024.18
8.2.140.0070.00324.66
8.2.130.0110.00426.16
8.2.120.0040.00419.23
8.2.110.0050.00521.96
8.2.100.0040.00819.64
8.2.90.0000.00819.23
8.2.80.0060.00317.97
8.2.70.0110.00017.50
8.2.60.0040.00417.80
8.2.50.0000.01118.07
8.2.40.0000.00718.16
8.2.30.0040.00417.97
8.2.20.0070.00017.56
8.2.10.0000.00819.53
8.2.00.0030.00519.40
8.1.280.0120.00625.92
8.1.270.0080.00022.20
8.1.260.0040.00426.35
8.1.250.0100.00328.09
8.1.240.0060.00323.90
8.1.230.0040.00719.12
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0030.00517.54
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0040.00421.91
8.1.150.0000.00718.65
8.1.140.0040.00417.46
8.1.130.0000.00717.75
8.1.120.0000.00717.32
8.1.110.0030.00517.39
8.1.100.0040.00417.40
8.1.90.0070.00017.32
8.1.80.0040.00417.30
8.1.70.0030.00317.38
8.1.60.0030.00617.63
8.1.50.0030.00617.43
8.1.40.0070.00017.43
8.1.30.0000.00717.64
8.1.20.0050.00317.64
8.1.10.0000.00817.49
8.1.00.0000.00817.49
8.0.300.0000.00718.77
8.0.290.0040.00417.04
8.0.280.0030.00318.40
8.0.270.0070.00017.13
8.0.260.0030.00316.85
8.0.250.0000.00716.88
8.0.240.0050.00216.97
8.0.230.0000.00716.86
8.0.220.0000.00716.93
8.0.210.0000.00716.93
8.0.200.0030.00317.00
8.0.190.0030.00516.91
8.0.180.0050.00316.93
8.0.170.0000.00716.80
8.0.160.0080.00016.96
8.0.150.0000.00716.80
8.0.140.0040.00416.83
8.0.130.0060.00013.25
8.0.120.0000.00716.88
8.0.110.0050.00316.80
8.0.100.0040.00416.93
8.0.90.0040.00416.89
8.0.80.0090.01216.88
8.0.70.0000.00816.89
8.0.60.0000.00717.02
8.0.50.0070.00016.75
8.0.30.0130.00916.98
8.0.20.0140.00717.40
8.0.10.0050.00216.88
8.0.00.0080.01116.83
7.4.330.0020.00215.02
7.4.320.0000.00616.47
7.4.300.0050.00216.43
7.4.290.0030.00716.54
7.4.280.0030.00316.61
7.4.270.0070.00016.66
7.4.260.0080.00016.48
7.4.250.0030.00516.52
7.4.240.0040.00416.60
7.4.230.0070.00016.64
7.4.220.0110.01516.57
7.4.210.0080.00816.59
7.4.200.0000.00716.64
7.4.190.0030.00316.43
7.4.160.0150.00016.48
7.4.150.0200.00017.40
7.4.140.0140.00517.86
7.4.130.0090.01116.57
7.4.120.0090.01016.45
7.4.110.0050.01216.52
7.4.100.0090.00916.65
7.4.90.0090.00916.40
7.4.80.0050.01219.39
7.4.70.0120.00616.65
7.4.60.0070.01016.34
7.4.50.0000.00816.30
7.4.40.0110.00422.77
7.4.30.0070.01016.26
7.4.10.0110.00815.21
7.4.00.0040.01314.85
7.3.330.0020.00213.30
7.3.320.0050.00013.24
7.3.310.0000.00716.47
7.3.300.0000.00716.26
7.3.290.0070.01316.35
7.3.280.0100.00816.39
7.3.270.0100.00617.40
7.3.260.0130.00316.59
7.3.250.0090.00916.44
7.3.240.0090.00916.41
7.3.230.0070.01016.45
7.3.210.0100.00616.46
7.3.200.0070.01319.39
7.3.190.0100.01016.43
7.3.180.0090.00616.51
7.3.170.0160.00316.40
7.3.160.0130.00816.34
7.3.130.0110.00714.81
7.3.120.0070.00914.88
7.3.110.0080.01114.64
7.3.100.0050.00814.94
7.3.90.0070.00714.82
7.3.80.0060.00814.95
7.3.70.0060.00614.76
7.3.60.0050.00714.88
7.3.50.0080.00714.81
7.3.40.0070.00814.92
7.3.30.0050.00914.66
7.3.20.0030.00716.50
7.3.10.0060.00916.39
7.3.00.0100.00416.57
7.2.330.0030.01316.78
7.2.320.0160.00316.75
7.2.310.0090.00916.46
7.2.300.0120.00816.35
7.2.290.0180.00416.73
7.2.260.0060.01215.06
7.2.250.0070.01015.01
7.2.240.0060.00815.13
7.2.230.0050.00714.97
7.2.220.0060.00715.19
7.2.210.0080.00615.16
7.2.200.0050.00914.92
7.2.190.0040.01215.10
7.2.180.0060.00814.94
7.2.170.0110.00515.04
7.2.160.0030.01214.94
7.2.150.0060.00616.80
7.2.140.0070.00716.91
7.2.130.0040.01116.58
7.2.120.0060.00616.75
7.2.110.0040.01016.71
7.2.100.0040.01016.72
7.2.90.0090.00616.69
7.2.80.0090.00616.66
7.2.70.0090.00516.75
7.2.60.0090.00616.85
7.2.50.0110.00716.81
7.2.40.0110.00716.90
7.2.30.0070.00916.81
7.2.20.0080.00716.81
7.2.10.0060.00916.80
7.2.00.0060.00917.58
7.1.330.0060.01015.98
7.1.320.0050.00915.85
7.1.310.0040.01115.80
7.1.300.0020.01015.72
7.1.290.0030.01215.67
7.1.280.0050.01015.71
7.1.270.0080.00315.79
7.1.260.0060.00615.64
7.1.250.0080.00515.68
7.1.240.0080.00315.79
7.1.230.0040.00915.93
7.1.220.0080.00815.94
7.1.210.0020.00915.72
7.1.200.0060.00415.73
7.1.190.0070.00515.75
7.1.180.0090.00415.88
7.1.170.0020.00815.79
7.1.160.0080.00715.83
7.1.150.0030.01015.64
7.1.140.0040.01115.79
7.1.130.0040.00715.84
7.1.120.0070.00615.91
7.1.110.0050.01015.75
7.1.100.0060.00816.66
7.1.90.0060.00515.89
7.1.80.0050.00915.88
7.1.70.0070.00616.23
7.1.60.0080.00717.13
7.1.50.0090.00816.06
7.1.40.0060.00515.71
7.1.30.0100.00215.68
7.1.20.0020.01015.87
7.1.10.0040.01215.88
7.1.00.0040.03217.89
7.0.330.0020.01015.32
7.0.320.0050.00615.23
7.0.310.0070.00515.41
7.0.300.0060.00515.43
7.0.290.0060.00815.39
7.0.280.0070.00715.24
7.0.270.0060.00315.42
7.0.260.0050.00815.40
7.0.250.0090.00715.17
7.0.240.0030.01115.54
7.0.230.0040.00615.36
7.0.220.0030.00715.35
7.0.210.0060.01015.45
7.0.200.0070.00915.86
7.0.190.0020.01315.36
7.0.180.0060.00615.26
7.0.170.0090.00615.28
7.0.160.0050.00815.43
7.0.150.0050.00915.42
7.0.140.0040.02117.61
7.0.130.0040.00815.35
7.0.120.0040.00915.49
7.0.110.0060.00715.34
7.0.100.0040.00915.35
7.0.90.0030.01015.22
7.0.80.0020.01315.44
7.0.70.0060.00815.31
7.0.60.0060.02716.91
7.0.50.0070.02916.12
7.0.40.0060.02215.74
7.0.30.0090.01915.70
7.0.20.0170.02615.64
7.0.10.0100.02815.66
7.0.00.0060.02615.59
5.6.400.0050.00414.47
5.6.390.0050.00714.27
5.6.380.0040.00614.43
5.6.370.0020.01014.47
5.6.360.0000.01014.61
5.6.350.0040.00614.14
5.6.340.0070.00614.27
5.6.330.0020.01114.19
5.6.320.0050.00914.34
5.6.310.0030.01314.40
5.6.300.0060.01014.30
5.6.290.0090.00414.29
5.6.280.0080.02616.80
5.6.270.0040.00914.44
5.6.260.0040.00514.25
5.6.250.0030.00814.32
5.6.240.0010.01014.52
5.6.230.0070.00814.42
5.6.220.0020.01014.30
5.6.210.0040.01916.53
5.6.200.0040.03615.75
5.6.190.0040.03616.31
5.6.180.1160.02016.43
5.6.170.0250.02516.39
5.6.160.0050.03116.37
5.6.150.0050.02015.58
5.6.140.0060.02415.61
5.6.130.0050.01915.80
5.6.120.0060.03216.68
5.6.110.0080.03316.54
5.6.100.0050.03616.65
5.6.90.0060.02316.62
5.6.80.0050.01816.43
5.6.70.0100.03216.34
5.6.60.0080.00514.31
5.6.50.0030.00814.30
5.6.40.0060.00714.32
5.6.30.0030.00814.34
5.6.20.0050.00814.26
5.6.10.0080.00314.28
5.6.00.0100.00114.51
5.5.380.0050.00814.33
5.5.370.0100.00314.46
5.5.360.0080.00614.29
5.5.350.0010.02916.26
5.5.340.0030.02815.59
5.5.330.0030.02316.29
5.5.320.0110.02416.42
5.5.310.0150.02316.38
5.5.300.0040.03415.51
5.5.290.0060.01915.40
5.5.280.0100.03116.54
5.5.270.0100.03116.41
5.5.260.0030.02516.51
5.5.250.0100.02916.49
5.5.240.0080.02616.31
5.5.230.0050.00814.32
5.5.220.0070.00714.15
5.5.210.0050.00814.18
5.5.200.0110.00314.29
5.5.190.0070.00914.43
5.5.180.0060.00614.35
5.5.170.0070.00614.13
5.5.160.0060.00614.05
5.5.150.0040.00714.09
5.5.140.0090.00514.21
5.5.130.0080.00314.23
5.5.120.0080.00714.22
5.5.110.0070.00714.27
5.5.100.0060.00714.04
5.5.90.0040.00614.20
5.5.80.0090.00414.20
5.5.70.0070.00714.02
5.5.60.0070.00514.14
5.5.50.0080.00614.11
5.5.40.0020.01114.11
5.5.30.0050.00714.21
5.5.20.0060.00414.19
5.5.10.0080.00314.27
5.5.00.0030.01214.04
5.4.450.1350.01314.67
5.4.440.1210.01514.78
5.4.430.1100.01614.68
5.4.420.1210.01914.66
5.4.410.1130.01414.52
5.4.400.1220.01714.59
5.4.390.1160.01714.54
5.4.380.1130.01614.48
5.4.370.1310.01714.60
5.4.360.1130.01814.44
5.4.350.1210.01814.44
5.4.340.1130.01814.45
5.4.330.0070.00412.21
5.4.320.1210.02214.53
5.4.310.1220.01314.42
5.4.300.1140.01414.53
5.4.290.1220.01814.55
5.4.280.1180.01814.64
5.4.270.1200.01814.55
5.4.260.1200.01514.63
5.4.250.1130.01414.44
5.4.240.0830.01514.44
5.4.230.0910.01814.52
5.4.220.0880.01714.52
5.4.210.1170.01614.59
5.4.200.0970.01714.62
5.4.190.0900.01714.52
5.4.180.0950.02014.53
5.4.170.1030.01214.57
5.4.160.1120.01114.48
5.4.150.1100.01414.38
5.4.140.1080.01613.58
5.4.130.1190.01613.59
5.4.120.1170.01613.73
5.4.110.1180.01513.61
5.4.100.1190.01813.82
5.4.90.1280.01913.67
5.4.80.1210.01613.70
5.4.70.1020.02013.56
5.4.60.1210.01313.58
5.4.50.1280.01613.63
5.4.40.1200.01813.64
5.4.30.1110.01513.66
5.4.20.1130.01313.58
5.4.10.1210.01613.70
5.4.00.1270.02113.60
5.3.290.1180.01812.94
5.3.280.0730.01912.81
5.3.270.0940.01612.98
5.3.260.1160.01912.90
5.3.250.1150.01512.92
5.3.240.1210.01512.88
5.3.230.1260.01512.89
5.3.220.1140.01712.82
5.3.210.1290.01812.90
5.3.200.1150.01712.87
5.3.190.1190.01912.87
5.3.180.1170.01812.86
5.3.170.1230.01712.82
5.3.160.1140.01412.92
5.3.150.1180.01812.88
5.3.140.1180.01612.90
5.3.130.1240.01712.90
5.3.120.1110.02012.82
5.3.110.1150.01412.90
5.3.100.1380.01912.77
5.3.90.1460.01612.74
5.3.80.1120.01812.71
5.3.70.1190.01412.70
5.3.60.1120.01412.75
5.3.50.1100.01612.72
5.3.40.1200.01712.67
5.3.30.1470.01512.66
5.3.20.1390.01912.58
5.3.10.1270.02012.56
5.3.00.1280.01812.50
5.2.170.3030.03311.18
5.2.160.2770.02711.32
5.2.150.3430.03011.07
5.2.140.3600.02711.16
5.2.130.3230.03311.02
5.2.120.3330.03311.02
5.2.110.3200.03011.04
5.2.100.3230.02311.23
5.2.90.3330.02711.02
5.2.80.3170.03011.20
5.2.70.3300.03011.08
5.2.60.3430.02311.01
5.2.50.3600.02710.94
5.2.40.2830.03011.24
5.2.30.2600.03010.91
5.2.20.2930.03010.89
5.2.10.2670.02310.84
5.2.00.3230.03010.73
5.1.60.2300.0239.94
5.1.50.2470.0279.94
5.1.40.2870.0239.97
5.1.30.2670.02710.31
5.1.20.2970.02710.26
5.1.10.2870.0279.96
5.1.00.2870.02010.01
5.0.50.1330.0208.64
5.0.40.1170.0178.54
5.0.30.1330.0308.36
5.0.20.1570.0178.14
5.0.10.1600.0208.12
5.0.00.1300.0308.05
4.4.90.1600.0205.83
4.4.80.1400.0105.89
4.4.70.1600.0135.87
4.4.60.1470.0105.87
4.4.50.1470.0175.88
4.4.40.1270.0275.92
4.4.30.1400.0135.88
4.4.20.1600.0135.88
4.4.10.1300.0175.90
4.4.00.1570.0275.86
4.3.110.1370.0105.86
4.3.100.1630.0205.86
4.3.90.1670.0135.86
4.3.80.1330.0275.86
4.3.70.1330.0135.86
4.3.60.1430.0135.86
4.3.50.1600.0135.86
4.3.40.1670.0235.86
4.3.30.0900.0275.86
4.3.20.0900.0205.86
4.3.10.0800.0175.86
4.3.00.0900.0205.86

preferences:
47.84 ms | 401 KiB | 5 Q