3v4l.org

run code in 300+ PHP versions simultaneously
<?php function &foo(&$param) { $param = 42; return $param; } $a = 23; echo "\$a before calling foo(): $a\n"; $b = &foo($a); echo "\$a after the call to foo(): $a\n"; $b = 23; echo "\$a after touching the returned variable: $a\n"; echo "\$b : $b\n";

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)
8.3.60.0100.01018.30
8.3.50.0110.00622.11
8.3.40.0070.00718.75
8.3.30.0070.00720.33
8.3.20.0040.00420.38
8.3.10.0030.00721.86
8.3.00.0080.00022.36
8.2.180.0140.00416.38
8.2.170.0120.00322.96
8.2.160.0070.00720.35
8.2.150.0090.00024.18
8.2.140.0060.00924.66
8.2.130.0070.00026.16
8.2.120.0000.00819.53
8.2.110.0060.00322.23
8.2.100.0040.00819.39
8.2.90.0040.00419.17
8.2.80.0000.00819.21
8.2.70.0080.00017.62
8.2.60.0000.00717.93
8.2.50.0030.00618.07
8.2.40.0040.00418.28
8.2.30.0040.00417.99
8.2.20.0000.00717.57
8.2.10.0040.00417.82
8.2.00.0040.00717.79
8.1.280.0170.00325.92
8.1.270.0050.00224.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.78
8.1.230.0110.00019.21
8.1.220.0000.00817.77
8.1.210.0000.00818.77
8.1.200.0070.00317.25
8.1.190.0030.00517.53
8.1.180.0000.00820.19
8.1.170.0050.00318.30
8.1.160.0040.00422.13
8.1.150.0070.00018.57
8.1.140.0030.00617.30
8.1.130.0000.00817.74
8.1.120.0000.00717.42
8.1.110.0080.00017.38
8.1.100.0040.00417.39
8.1.90.0000.00817.38
8.1.80.0020.00517.40
8.1.70.0030.00317.40
8.1.60.0040.00417.48
8.1.50.0000.00717.48
8.1.40.0060.00317.58
8.1.30.0000.00817.64
8.1.20.0040.00417.57
8.1.10.0050.00217.52
8.1.00.0040.00417.42
8.0.300.0000.00718.77
8.0.290.0040.00417.28
8.0.280.0020.00518.44
8.0.270.0050.00317.30
8.0.260.0040.00418.50
8.0.250.0040.00417.00
8.0.240.0050.00316.95
8.0.230.0030.00316.91
8.0.220.0030.00316.89
8.0.210.0040.00416.89
8.0.200.0000.00716.88
8.0.190.0070.00316.84
8.0.180.0040.00416.93
8.0.170.0000.00816.81
8.0.160.0000.00816.77
8.0.150.0000.00716.88
8.0.140.0000.00716.74
8.0.130.0050.00013.34
8.0.120.0040.00416.86
8.0.110.0040.00416.94
8.0.100.0000.00716.87
8.0.90.0040.00416.86
8.0.80.0120.00316.82
8.0.70.0080.00016.69
8.0.60.0040.00416.96
8.0.50.0000.00716.79
8.0.30.0130.00717.22
8.0.20.0050.01517.40
8.0.10.0040.00416.99
8.0.00.0110.00616.68
7.4.330.0060.00015.00
7.4.320.0000.00716.52
7.4.300.0030.00316.51
7.4.290.0000.00716.53
7.4.280.0040.00416.45
7.4.270.0050.00216.50
7.4.260.0000.00716.57
7.4.250.0000.00716.48
7.4.240.0020.00616.51
7.4.230.0070.00016.64
7.4.220.0110.00716.64
7.4.210.0060.01016.53
7.4.200.0000.00716.32
7.4.190.0000.00716.70
7.4.160.0100.00616.44
7.4.150.0070.01017.40
7.4.140.0080.01117.86
7.4.130.0080.00916.47
7.4.120.0090.00816.53
7.4.110.0140.00416.56
7.4.100.0040.01216.60
7.4.90.0110.00616.51
7.4.80.0100.01319.39
7.4.70.0070.01416.65
7.4.60.0060.01716.55
7.4.50.0000.00516.67
7.4.40.0120.00222.77
7.4.30.0130.00316.37
7.4.10.0130.00615.03
7.4.00.0070.01015.04
7.3.330.0000.00613.16
7.3.320.0000.00513.10
7.3.310.0070.00016.12
7.3.300.0000.00716.32
7.3.290.0110.00416.38
7.3.280.0080.00716.27
7.3.270.0070.01017.40
7.3.260.0030.02116.39
7.3.250.0080.00816.59
7.3.240.0070.01116.36
7.3.230.0120.00416.61
7.3.210.0120.00416.55
7.3.200.0190.00419.39
7.3.190.0090.00916.27
7.3.180.0100.00616.26
7.3.170.0100.01016.53
7.3.160.0060.00916.55
7.3.130.0120.00614.73
7.3.120.0050.01314.80
7.3.110.0030.01415.00
7.3.100.0040.01214.93
7.3.90.0060.01314.75
7.3.80.0000.01214.88
7.3.70.0030.00914.90
7.3.60.0060.00614.79
7.3.50.0060.00314.90
7.3.40.0070.00714.92
7.3.30.0000.01114.54
7.3.20.0040.01116.47
7.3.10.0100.00316.64
7.3.00.0060.00316.84
7.2.330.0140.00316.67
7.2.320.0100.01316.73
7.2.310.0110.00716.72
7.2.300.0060.01016.37
7.2.290.0150.00616.69
7.2.260.0060.01315.03
7.2.250.0070.01114.69
7.2.240.0120.00015.04
7.2.230.0060.01314.73
7.2.220.0070.01014.79
7.2.210.0040.01114.88
7.2.200.0000.01214.70
7.2.190.0110.00414.96
7.2.180.0000.00814.66
7.2.170.0060.00915.00
7.2.160.0070.01015.02
7.2.150.0040.01117.02
7.2.140.0120.00316.67
7.2.130.0060.00916.84
7.2.120.0060.00616.92
7.2.110.0000.01116.84
7.2.100.0060.00916.83
7.2.90.0070.00316.64
7.2.80.0000.01216.60
7.2.70.0060.00616.76
7.2.60.0070.00716.82
7.2.50.0000.01116.74
7.2.40.0000.01416.82
7.2.30.0030.01017.02
7.2.20.0000.01116.82
7.2.10.0060.00916.84
7.2.00.0030.01018.10
7.1.330.0000.01415.92
7.1.320.0160.00015.86
7.1.310.0060.00615.43
7.1.300.0030.01415.57
7.1.290.0070.00715.86
7.1.280.0080.00815.75
7.1.270.0040.00415.80
7.1.260.0030.01015.72
7.1.250.0030.00615.75
7.1.240.0120.00315.81
7.1.230.0120.00315.63
7.1.220.0070.00415.57
7.1.210.0080.00015.80
7.1.200.0100.00315.71
7.1.190.0060.00615.74
7.1.180.0040.00815.68
7.1.170.0080.00415.72
7.1.160.0030.01015.79
7.1.150.0030.00715.51
7.1.140.0040.00415.89
7.1.130.0040.00915.70
7.1.120.0030.00915.78
7.1.110.0080.00615.79
7.1.100.0060.00616.85
7.1.90.0060.00615.82
7.1.80.0150.00015.80
7.1.70.0030.01316.39
7.1.60.0100.00717.51
7.1.50.0080.00716.28
7.1.40.0100.00315.63
7.1.30.0100.00315.72
7.1.20.0080.00015.35
7.1.10.0060.00615.66
7.1.00.0090.01518.88
7.0.330.0070.00715.48
7.0.320.0030.00815.34
7.0.310.0080.00515.46
7.0.300.0040.00715.30
7.0.290.0000.01515.34
7.0.280.0000.00815.13
7.0.270.0070.00415.47
7.0.260.0100.00315.42
7.0.250.0000.01415.42
7.0.240.0040.00415.41
7.0.230.0070.00715.40
7.0.220.0030.01015.13
7.0.210.0000.01015.44
7.0.200.0340.00915.20
7.0.190.0030.00915.45
7.0.180.0000.01215.49
7.0.170.0060.00615.55
7.0.160.0030.01015.26
7.0.150.0040.00815.55
7.0.140.0040.03818.83
7.0.130.0000.01415.51
7.0.120.0070.00415.44
7.0.110.0120.00315.45
7.0.100.0060.00315.38
7.0.90.0000.00915.26
7.0.80.0060.00615.45
7.0.70.0090.00015.30
7.0.60.0100.04617.65
7.0.50.0050.04416.62
7.0.40.0080.04517.01
7.0.30.0170.03216.80
7.0.20.0150.02716.82
7.0.10.0170.03716.94
7.0.00.0130.04016.84
5.6.400.0030.01014.38
5.6.390.0040.00814.32
5.6.380.0090.00414.41
5.6.370.0060.00614.01
5.6.360.0060.00614.41
5.6.350.0110.00014.18
5.6.340.0000.00814.32
5.6.330.0000.01214.50
5.6.320.0070.00414.09
5.6.310.0070.00414.24
5.6.300.0060.00613.96
5.6.290.0060.00314.38
5.6.280.0060.00614.11
5.6.270.0030.01014.21
5.6.260.0120.00314.27
5.6.250.0060.00314.33
5.6.240.0030.00614.18
5.6.230.0060.01014.45
5.6.220.0030.00714.40
5.6.210.0070.03917.60
5.6.200.0100.04016.32
5.6.190.0070.04517.50
5.6.180.0130.04617.43
5.6.170.0150.03817.37
5.6.160.0080.03017.37
5.6.150.0030.02616.06
5.6.140.0060.02216.20
5.6.130.0080.03316.24
5.6.120.0050.03917.65
5.6.110.0120.04017.63
5.6.100.0100.04517.50
5.6.90.0090.03717.71
5.6.80.0050.03117.28
5.6.70.0080.00614.33
5.6.60.0030.00514.23
5.6.50.0000.01214.29
5.6.40.0140.00014.29
5.6.30.0000.00814.54
5.6.20.0090.00614.22
5.6.10.0040.01114.37
5.6.00.0030.00914.16
5.5.380.0040.01114.14
5.5.370.0060.00314.20
5.5.360.0030.01214.16
5.5.350.0110.04517.32
5.5.340.0050.02316.19
5.5.330.0050.03517.35
5.5.320.0120.02217.40
5.5.310.0100.02517.04
5.5.300.0030.02716.06
5.5.290.0090.04115.98
5.5.280.0020.02617.60
5.5.270.0060.03817.30
5.5.260.0110.03017.53
5.5.250.0110.03817.40
5.5.240.0130.03517.18
5.5.230.0000.00814.26
5.5.220.0040.01113.94
5.5.210.0070.00714.30
5.5.200.0000.01613.85
5.5.190.0000.01513.78
5.5.180.0070.00714.22
5.5.170.0060.00614.21
5.5.160.0000.01314.04
5.5.150.0030.01014.32
5.5.140.0100.00713.92
5.5.130.0070.00713.90
5.5.120.0000.01214.13
5.5.110.0070.00713.73
5.5.100.0060.01314.16
5.5.90.0100.00613.87
5.5.80.0090.00614.05
5.5.70.0080.00413.88
5.5.60.0110.00714.30
5.5.50.0060.01214.00
5.5.40.0070.00713.96
5.5.30.0080.00514.18
5.5.20.0030.00714.19
5.5.10.0030.01013.96
5.5.00.0030.01414.13
5.4.450.0330.03115.77
5.4.440.0380.03915.77
5.4.430.0460.03315.56
5.4.420.0080.02715.77
5.4.410.0500.02515.71
5.4.400.0160.03315.39
5.4.390.0200.03315.25
5.4.380.0080.03115.32
5.4.370.0090.03115.23
5.4.360.0120.02415.22
5.4.350.0060.01911.98
5.4.340.0080.02711.98
5.4.330.0080.00011.94
5.4.320.0060.02012.22
5.4.310.0060.02212.22
5.4.300.0050.02312.22
5.4.290.0020.02412.22
5.4.280.0050.02312.17
5.4.270.0030.02312.17
5.4.260.0030.02312.17
5.4.250.0070.03015.47
5.4.240.0110.02615.48
5.4.230.0070.03015.37
5.4.220.0100.03015.47
5.4.210.0050.03215.34
5.4.200.0030.04115.47
5.4.190.0080.02715.51
5.4.180.0060.02915.43
5.4.170.0070.02715.44
5.4.160.0120.02815.43
5.4.150.0070.03015.38
5.4.140.0050.03314.25
5.4.130.0020.02914.21
5.4.120.0070.02814.16
5.4.110.0070.03414.18
5.4.100.0030.03214.21
5.4.90.0060.02814.18
5.4.80.0050.03014.29
5.4.70.0030.03014.23
5.4.60.0100.03014.16
5.4.50.0100.02814.21
5.4.40.0060.03614.19
5.4.30.0030.03214.21
5.4.20.0030.03214.16
5.4.10.0110.03314.15
5.4.00.0000.03313.88
5.3.290.0080.02212.37
5.3.280.0050.03113.25
5.3.270.0090.02713.32
5.3.260.0140.02313.31
5.3.250.0020.03413.19
5.3.240.0050.03213.36
5.3.230.0090.02813.23
5.3.220.0050.02813.17
5.3.210.0070.03413.29
5.3.200.0130.02713.29
5.3.190.0070.03313.29
5.3.180.0070.03013.24
5.3.170.0090.02813.36
5.3.160.0090.02813.29
5.3.150.0140.03313.24
5.3.140.0060.03213.24
5.3.130.0070.03613.22
5.3.120.0140.03813.31
5.3.110.0080.03313.35
5.3.100.0140.02313.10
5.3.90.0070.03713.09
5.3.80.0070.02812.96
5.3.70.0070.02912.89
5.3.60.0130.02213.01
5.3.50.0080.03113.05
5.3.40.0130.02512.95
5.3.30.0060.02712.84
5.3.20.0110.02612.92
5.3.10.0090.02512.84
5.3.00.0040.03112.74
5.2.170.0100.05010.97
5.2.160.0030.04011.20
5.2.150.0130.03311.13
5.2.140.0000.04311.21
5.2.130.0070.04011.10
5.2.120.0100.03311.16
5.2.110.0070.04011.08
5.2.100.0100.04011.00
5.2.90.0100.03711.00
5.2.80.0030.04310.92
5.2.70.0100.03711.17
5.2.60.0100.03711.11
5.2.50.0100.03711.01
5.2.40.0000.04711.00
5.2.30.0000.04311.05
5.2.20.0030.04010.91
5.2.10.0070.04010.83
5.2.00.0000.04310.55
5.1.60.0070.0309.95
5.1.50.0000.03710.08
5.1.40.0070.0309.90
5.1.30.0100.03010.39
5.1.20.0130.02710.32
5.1.10.0070.04010.30
5.1.00.0100.02710.07
5.0.50.0030.0308.63
5.0.40.0100.0308.42
5.0.30.0030.0408.27
5.0.20.0000.0308.44
5.0.10.0000.0308.10
5.0.00.0000.0438.17
4.4.90.0030.0207.43
4.4.80.0070.0177.43
4.4.70.0030.0207.43
4.4.60.0070.0177.43
4.4.50.0000.0237.43
4.4.40.0070.0337.43
4.4.30.0000.0237.43
4.4.20.0000.0237.43
4.4.10.0030.0207.43
4.4.00.0030.0307.43
4.3.110.0030.0207.43
4.3.100.0000.0207.43
4.3.90.0070.0277.43
4.3.80.0000.0337.43
4.3.70.0000.0207.43
4.3.60.0000.0237.43
4.3.50.0000.0237.43
4.3.40.0000.0337.43
4.3.30.0030.0207.43
4.3.20.0000.0237.43
4.3.10.0070.0177.43
4.3.00.0270.0306.85

preferences:
46.29 ms | 401 KiB | 5 Q