3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $b; public function A() { $this->b = new B(); } public function get_b() {return $this->b;} public function print_b() {echo $this->b->str;} } class B { public $str = "Not modified\n"; } $a = new A(); $a->print_b(); $b = $a->get_b(); $b->str = "Your ownership is useless.\n"; $a->print_b();

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)
8.3.60.0140.00416.63
8.3.50.0070.01116.13
8.3.40.0110.00418.79
8.3.30.0080.00818.84
8.3.20.0110.00420.34
8.3.10.0080.00023.48
8.3.00.0080.00019.81
8.2.180.0120.00618.54
8.2.170.0070.01422.96
8.2.160.0030.01020.57
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.01117.75
8.2.110.0030.00620.33
8.2.100.0040.00818.05
8.2.90.0000.00819.17
8.2.80.0040.00417.97
8.2.70.0060.00617.63
8.2.60.0000.00918.03
8.2.50.0120.00018.07
8.2.40.0060.00319.34
8.2.30.0040.00418.11
8.2.20.0040.00417.79
8.2.10.0080.00018.13
8.2.00.0040.00418.04
8.1.280.0070.00725.92
8.1.270.0050.00320.38
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0000.00823.82
8.1.230.0040.00819.44
8.1.220.0030.00617.74
8.1.210.0030.00618.77
8.1.200.0030.00617.36
8.1.190.0050.00317.11
8.1.180.0030.00518.10
8.1.170.0050.00318.56
8.1.160.0040.00423.82
8.1.150.0040.00418.74
8.1.140.0080.00017.50
8.1.130.0000.00717.43
8.1.120.0040.00417.43
8.1.110.0070.00017.41
8.1.100.0000.00817.32
8.1.90.0070.00017.38
8.1.80.0040.00417.41
8.1.70.0000.00717.30
8.1.60.0040.00417.54
8.1.50.0040.00417.41
8.1.40.0040.00417.42
8.1.30.0040.00417.64
8.1.20.0050.00217.55
8.1.10.0040.00417.52
8.1.00.0050.00217.46
8.0.300.0080.00018.77
8.0.290.0070.00016.75
8.0.280.0030.00618.52
8.0.270.0000.00717.32
8.0.260.0030.00316.85
8.0.250.0000.00716.91
8.0.240.0100.00016.83
8.0.230.0030.00616.86
8.0.220.0030.00316.88
8.0.210.0040.00416.93
8.0.200.0030.00316.84
8.0.190.0030.00916.82
8.0.180.0040.00416.81
8.0.170.0000.00816.90
8.0.160.0070.00016.87
8.0.150.0070.00016.73
8.0.140.0000.00716.85
8.0.130.0060.00013.27
8.0.120.0000.00916.76
8.0.110.0040.00416.89
8.0.100.0040.00416.78
8.0.90.0080.00016.79
8.0.80.0040.01016.78
8.0.70.0080.00016.91
8.0.60.0070.00016.89
8.0.50.0040.00416.77
8.0.30.0100.00916.88
8.0.20.0130.01017.41
8.0.10.0080.00016.91
8.0.00.0090.00816.95
7.4.330.0000.00515.08
7.4.320.0060.00316.63
7.4.300.0030.00316.62
7.4.290.0000.00716.50
7.4.280.0030.00616.64
7.4.270.0040.00416.51
7.4.260.0000.01016.43
7.4.250.0000.00716.49
7.4.240.0010.00616.56
7.4.230.0000.00716.59
7.4.220.0060.01216.56
7.4.210.0070.01416.49
7.4.200.0000.00716.63
7.4.160.0110.00616.72
7.4.150.0150.00317.40
7.4.140.0060.01517.86
7.4.130.0120.00916.45
7.4.120.0100.01116.62
7.4.110.0150.00316.46
7.4.100.0170.00716.48
7.4.90.0060.01316.61
7.4.80.0120.01119.39
7.4.70.0000.02116.49
7.4.60.0120.00616.48
7.4.50.0030.00516.31
7.4.40.0060.01316.56
7.4.30.0080.00816.50
7.4.10.0080.01114.79
7.4.00.0090.00614.98
7.3.330.0030.00313.30
7.3.320.0070.00013.36
7.3.310.0040.00416.46
7.3.300.0070.00016.42
7.3.290.0040.01016.30
7.3.280.0110.00816.32
7.3.270.0130.01017.40
7.3.260.0000.01716.61
7.3.250.0080.01016.38
7.3.240.0100.01216.34
7.3.230.0100.01316.57
7.3.210.0110.00716.37
7.3.200.0160.00316.40
7.3.190.0090.00916.42
7.3.180.0060.01216.47
7.3.170.0130.00316.35
7.3.160.0130.00616.41
7.3.130.0110.00714.96
7.3.120.0070.01015.03
7.3.110.0130.00614.91
7.3.100.0030.00914.84
7.3.90.0000.01114.96
7.3.80.0070.00414.96
7.3.70.0130.00314.91
7.3.60.0040.00414.94
7.3.50.0040.00414.54
7.3.40.0030.00614.97
7.3.30.0030.00615.01
7.3.20.0090.00016.56
7.3.10.0090.00616.63
7.3.00.0060.00916.64
7.2.330.0070.01016.44
7.2.320.0100.00716.47
7.2.310.0140.00316.67
7.2.300.0140.00316.36
7.2.290.0030.01716.85
7.2.260.0070.01015.28
7.2.250.0090.00915.07
7.2.240.0140.00015.10
7.2.230.0070.01115.25
7.2.220.0090.00615.27
7.2.210.0060.00314.97
7.2.200.0130.00315.17
7.2.190.0070.00715.08
7.2.180.0040.01115.30
7.2.170.0060.00915.14
7.2.160.0030.00715.29
7.2.150.0030.01016.59
7.2.140.0080.01116.92
7.2.130.0040.00817.01
7.2.120.0030.01216.82
7.2.110.0130.00316.89
7.2.100.0000.01616.75
7.2.90.0090.00617.20
7.2.80.0070.00317.01
7.2.70.0090.00616.85
7.2.60.0120.00716.67
7.2.50.0040.00816.89
7.2.40.0050.00517.10
7.2.30.0000.00916.59
7.2.20.0040.01416.80
7.2.10.0000.01116.93
7.2.00.0130.00318.11
7.1.330.0070.00715.53
7.1.320.0100.00715.85
7.1.310.0060.00615.84
7.1.300.0030.01015.54
7.1.290.0030.01015.54
7.1.280.0030.01215.82
7.1.270.0060.01015.84
7.1.260.0060.00915.75
7.1.250.0030.00715.76
7.1.240.0030.01015.76
7.1.230.0070.00715.55
7.1.220.0070.00715.52
7.1.210.0080.00815.64
7.1.200.0080.00615.64
7.1.190.0090.00615.82
7.1.180.0050.00515.64
7.1.170.0000.00815.62
7.1.160.0000.01315.89
7.1.150.0000.01215.82
7.1.140.0000.00915.38
7.1.130.0070.00715.72
7.1.120.0120.00015.69
7.1.110.0000.01015.77
7.1.100.0050.01016.71
7.1.90.0070.01015.70
7.1.80.0070.00715.77
7.1.70.0050.00716.26
7.1.60.0040.01617.47
7.1.50.0060.01016.04
7.1.40.0030.00915.59
7.1.30.0030.01315.80
7.1.20.0060.00615.64
7.1.10.0030.00615.80
7.1.00.0020.04518.98
7.0.330.0100.00315.13
7.0.320.0070.00715.14
7.0.310.0030.00915.38
7.0.300.0030.01015.37
7.0.290.0000.01015.27
7.0.280.0060.00615.54
7.0.270.0060.00915.51
7.0.260.0000.00915.39
7.0.250.0070.00715.62
7.0.240.0060.00615.57
7.0.230.0000.00815.53
7.0.220.0030.01015.35
7.0.210.0060.01015.51
7.0.200.0110.00815.27
7.0.190.0100.00315.64
7.0.180.0030.01015.14
7.0.170.0070.00315.22
7.0.160.0110.00315.37
7.0.150.0060.00615.57
7.0.140.0130.00015.49
7.0.130.0090.00015.52
7.0.120.0030.01015.51
7.0.110.0110.00315.25
7.0.100.0040.00715.41
7.0.90.0100.00315.41
7.0.80.0100.00315.20
7.0.70.0120.00415.48
7.0.60.0020.02917.70
7.0.50.0080.04516.71
7.0.40.0020.05016.83
7.0.30.0130.03516.76
7.0.20.0150.03316.81
7.0.10.0010.02916.76
7.0.00.0120.04216.79
5.6.400.0100.00713.95
5.6.390.0030.00614.59
5.6.380.0040.00414.30
5.6.370.0080.00514.57
5.6.360.0060.00914.58
5.6.350.0070.01014.34
5.6.340.0090.00614.59
5.6.330.0070.00714.45
5.6.320.0070.00714.46
5.6.310.0030.01314.30
5.6.300.0030.00614.30
5.6.290.0030.00614.27
5.6.280.0020.04317.63
5.6.270.0100.00614.21
5.6.260.0110.00414.17
5.6.250.0100.00714.14
5.6.240.0030.00614.31
5.6.230.0110.00314.28
5.6.220.0090.00014.20
5.6.210.0090.04217.57
5.6.200.0030.02516.29
5.6.190.0050.02717.54
5.6.180.0140.02417.51
5.6.170.0150.04017.41
5.6.160.0090.03217.51
5.6.150.0050.03516.19
5.6.140.0030.02516.27
5.6.130.0080.02816.37
5.6.120.0050.04017.75
5.6.110.0060.03117.59
5.6.100.0070.04117.72
5.6.90.0050.02617.61
5.6.80.0170.03517.45
5.6.70.0040.01114.39
5.6.60.0070.00314.15
5.6.50.0100.00314.14
5.6.40.0000.01114.25
5.6.30.0070.00414.53
5.6.20.0060.00614.47
5.6.10.0030.00614.38
5.6.00.0040.01214.33
5.5.380.0070.00714.21
5.5.370.0090.00614.30
5.5.360.0030.01013.94
5.5.350.0170.03817.42
5.5.340.0110.03716.19
5.5.330.0090.03917.19
5.5.320.0030.02817.17
5.5.310.0150.04517.30
5.5.300.0060.02816.22
5.5.290.0100.03816.14
5.5.280.0080.04317.43
5.5.270.0030.04917.68
5.5.260.0100.03817.36
5.5.250.0090.03517.56
5.5.240.0080.01817.07
5.5.230.0040.01114.36
5.5.220.0140.00314.39
5.5.210.0060.00914.25
5.5.200.0030.01014.11
5.5.190.0100.00314.29
5.5.180.0070.00714.24
5.5.170.0030.01314.55
5.5.160.0100.00614.37
5.5.150.0140.00314.04
5.5.140.0070.00314.11
5.5.130.0030.01014.48
5.5.120.0060.01014.20
5.5.110.0000.01513.94
5.5.100.0000.01214.54
5.5.90.0030.01014.07
5.5.80.0040.00814.13
5.5.70.0060.00914.02
5.5.60.0090.00614.07
5.5.50.0040.00814.30
5.5.40.0060.00814.39
5.5.30.0110.00013.99
5.5.20.0070.00713.82
5.5.10.0040.00714.00
5.5.00.0070.00313.95
5.4.450.0380.03515.17
5.4.440.0450.02815.24
5.4.430.0430.03615.18
5.4.420.0330.03215.07
5.4.410.0450.03315.32
5.4.400.0480.02915.15
5.4.390.0380.03115.17
5.4.380.0430.02714.93
5.4.370.0450.02714.92
5.4.360.0450.03015.04
5.4.350.0420.03315.10
5.4.340.0450.02515.02
5.4.330.0060.00610.87
5.4.320.0450.03815.11
5.4.310.0380.03614.73
5.4.300.0450.02314.98
5.4.290.0100.02715.15
5.4.280.0130.02515.16
5.4.270.0430.03215.02
5.4.260.0540.02715.12
5.4.250.0480.02715.06
5.4.240.0350.02915.12
5.4.230.0130.02315.05
5.4.220.0010.03615.01
5.4.210.0470.03015.03
5.4.200.0280.03014.88
5.4.190.0090.02815.02
5.4.180.0030.03415.04
5.4.170.0400.03215.08
5.4.160.0360.03015.25
5.4.150.0420.02915.13
5.4.140.0380.03013.75
5.4.130.0420.02813.86
5.4.120.0370.02713.59
5.4.110.0420.02813.87
5.4.100.0350.02813.69
5.4.90.0420.03413.76
5.4.80.0450.03113.88
5.4.70.0450.03013.73
5.4.60.0450.03013.87
5.4.50.0500.03213.64
5.4.40.0470.02813.84
5.4.30.0410.03113.74
5.4.20.0520.03413.88
5.4.10.0470.03213.67
5.4.00.0380.03213.63
5.3.290.0870.07014.67
5.3.280.0930.05714.65
5.3.270.0770.06014.62
5.3.260.1030.04714.83
5.3.250.0670.06714.52
5.3.240.0900.07014.60
5.3.230.0930.08014.61
5.3.220.0900.06014.63
5.3.210.0730.08014.53
5.3.200.0630.06714.65
5.3.190.0770.06714.71
5.3.180.0830.06314.42
5.3.170.0930.04714.48
5.3.160.0800.06714.54
5.3.150.1000.06714.79
5.3.140.0870.07014.56
5.3.130.0800.07314.43
5.3.120.0770.07014.77
5.3.110.0670.06314.45
5.3.100.0730.04714.06
5.3.90.0770.05314.25
5.3.80.0600.05014.07
5.3.70.0700.07314.03
5.3.60.0600.05014.02
5.3.50.0800.05313.86
5.3.40.0730.05014.12
5.3.30.0870.05313.81
5.3.20.0630.06713.59
5.3.10.0730.06713.75
5.3.00.0600.07013.56
5.2.170.0670.05311.16
5.2.160.0670.04711.07
5.2.150.0570.05311.21
5.2.140.0600.03711.11
5.2.130.0570.03311.02
5.2.120.0600.04010.98
5.2.110.0500.04711.33
5.2.100.0430.04311.13
5.2.90.0570.04011.02
5.2.80.0530.05711.15
5.2.70.0500.03711.03
5.2.60.0500.04711.11
5.2.50.0600.04011.07
5.2.40.0370.04010.90
5.2.30.0500.05310.88
5.2.20.0570.04311.19
5.2.10.0370.04010.95
5.2.00.0470.04010.57
5.1.60.0430.0379.98
5.1.50.0570.0309.91
5.1.40.0370.0379.91
5.1.30.0370.04310.35
5.1.20.0430.05710.41
5.1.10.0370.0409.92
5.1.00.0470.04010.06
5.0.50.0300.0438.56
5.0.40.0200.0438.25
5.0.30.0470.0508.21
5.0.20.0330.0208.23
5.0.10.0170.0308.33
5.0.00.0230.0508.06
4.4.90.0230.0308.05
4.4.80.0270.0278.05
4.4.70.0270.0178.05
4.4.60.0200.0238.05
4.4.50.0300.0278.05
4.4.40.0270.0508.05
4.4.30.0300.0308.05
4.4.20.0200.0278.05
4.4.10.0300.0208.05
4.4.00.0200.0408.05
4.3.110.0230.0308.05
4.3.100.0300.0308.05
4.3.90.0300.0178.05
4.3.80.0230.0338.05
4.3.70.0170.0308.05
4.3.60.0270.0208.05
4.3.50.0230.0208.05
4.3.40.0300.0378.05
4.3.30.0070.0308.05
4.3.20.0130.0378.05
4.3.10.0130.0278.05
4.3.00.0100.0238.05

preferences:
46.89 ms | 400 KiB | 5 Q