3v4l.org

run code in 300+ PHP versions simultaneously
<?php function &a($b){ return $b; } $c = &a(10); a(20); echo $c; var_dump($c);

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)
8.3.60.0070.00718.31
8.3.50.0030.01018.16
8.3.40.0070.01118.68
8.3.30.0090.00918.72
8.3.20.0040.00419.10
8.3.10.0080.00020.91
8.3.00.0030.00523.66
8.2.180.0170.00016.50
8.2.170.0070.00722.96
8.2.160.0070.01019.25
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0050.00221.12
8.2.120.0070.00026.35
8.2.110.0090.00022.02
8.2.100.0040.00817.74
8.2.90.0000.00819.22
8.2.80.0000.00817.97
8.2.70.0050.00318.04
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0080.00019.42
8.2.30.0070.00019.15
8.2.20.0060.00318.06
8.2.10.0040.00417.96
8.2.00.0000.00719.45
8.1.280.0140.00325.92
8.1.270.0040.00422.20
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0050.00522.55
8.1.230.0110.00018.84
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0080.00017.13
8.1.180.0090.00018.10
8.1.170.0000.01018.46
8.1.160.0040.00418.81
8.1.150.0030.00518.78
8.1.140.0000.00717.49
8.1.130.0040.00418.90
8.1.120.0000.00717.39
8.1.110.0070.00017.39
8.1.100.0070.00017.28
8.1.90.0000.00817.39
8.1.80.0030.00517.45
8.1.70.0080.00017.23
8.1.60.0030.00517.47
8.1.50.0000.01017.48
8.1.40.0000.00817.47
8.1.30.0030.01017.54
8.1.20.0040.00417.54
8.1.10.0060.00317.48
8.1.00.0050.00317.29
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0070.00018.31
8.0.270.0000.00917.29
8.0.260.0030.00317.30
8.0.250.0000.00616.84
8.0.240.0060.00016.82
8.0.230.0030.00416.85
8.0.220.0080.00016.86
8.0.210.0030.00316.77
8.0.200.0050.00216.83
8.0.190.0030.00516.92
8.0.180.0040.00416.85
8.0.170.0060.00316.76
8.0.160.0030.00316.70
8.0.150.0040.00416.76
8.0.140.0070.00016.65
8.0.130.0000.00513.18
8.0.120.0090.00016.83
8.0.110.0040.00416.75
8.0.100.0000.00716.93
8.0.90.0000.00716.78
8.0.80.0080.00716.78
8.0.70.0000.00816.79
8.0.60.0000.00816.76
8.0.50.0040.00416.75
8.0.30.0070.01117.17
8.0.20.0090.01017.40
8.0.10.0050.00316.79
8.0.00.0060.01316.75
7.4.330.0040.00015.55
7.4.320.0050.00316.29
7.4.300.0000.00616.59
7.4.290.0000.00716.45
7.4.280.0000.00716.48
7.4.270.0000.00716.41
7.4.260.0040.00416.62
7.4.250.0040.00416.54
7.4.240.0070.00016.42
7.4.230.0000.00816.67
7.4.220.0020.00516.47
7.4.210.0040.01116.55
7.4.200.0030.00316.61
7.4.160.0130.00616.49
7.4.140.0090.01017.86
7.4.130.0070.01116.26
7.4.120.0070.01316.51
7.4.110.0070.01116.38
7.4.100.0040.01216.21
7.4.90.0060.01216.62
7.4.80.0120.00919.39
7.4.70.0070.01016.63
7.4.60.0030.01316.51
7.4.50.0100.00716.48
7.4.40.0070.01016.48
7.4.10.0070.01114.87
7.4.00.0000.01514.80
7.3.330.0000.00513.32
7.3.320.0000.00613.16
7.3.310.0090.00016.30
7.3.300.0000.00616.29
7.3.290.0030.00316.29
7.3.280.0070.00716.31
7.3.260.0050.01516.36
7.3.240.0080.00816.41
7.3.230.0060.01816.59
7.3.210.0070.01116.21
7.3.200.0030.01416.29
7.3.190.0090.01316.61
7.3.180.0120.00316.31
7.3.170.0110.00616.53
7.3.160.0100.01016.59
7.3.130.0090.00914.81
7.3.120.0030.01314.85
7.3.110.0040.01214.74
7.3.100.0110.00414.80
7.3.90.0030.01014.76
7.3.80.0100.00014.91
7.3.70.0120.00014.62
7.3.60.0100.00714.81
7.3.50.0060.00614.63
7.3.40.0070.00714.63
7.3.30.0030.00714.53
7.3.20.0040.01116.62
7.3.10.0060.00616.73
7.3.00.0090.00316.80
7.2.330.0070.01516.34
7.2.320.0180.00916.61
7.2.310.0060.01216.63
7.2.300.0070.01116.18
7.2.290.0100.01316.39
7.2.260.0100.00715.13
7.2.250.0070.01014.87
7.2.240.0040.01115.02
7.2.230.0060.00614.83
7.2.220.0100.01014.83
7.2.210.0040.01215.11
7.2.200.0030.01314.80
7.2.190.0100.00314.88
7.2.180.0090.00614.75
7.2.170.0030.01014.70
7.2.160.0060.00314.83
7.2.150.0120.00616.50
7.2.140.0070.00316.71
7.2.130.0000.01416.94
7.2.120.0060.00916.67
7.2.110.0070.01116.54
7.2.100.0030.01416.51
7.2.90.0090.00617.03
7.2.80.0020.01416.68
7.2.70.0330.00515.79
7.2.60.0380.00415.99
7.2.50.0280.00915.83
7.2.40.0280.01415.89
7.2.30.0290.00915.84
7.2.20.0370.01015.76
7.2.10.0330.01115.74
7.2.00.0360.00515.77
7.1.330.0070.01015.95
7.1.320.0040.01115.89
7.1.310.0030.00915.60
7.1.300.0060.00615.86
7.1.290.0000.00815.78
7.1.280.0100.00315.78
7.1.270.0030.01015.80
7.1.260.0030.01215.92
7.1.250.0000.00915.81
7.1.240.0090.00915.91
7.1.230.0070.01415.88
7.1.220.0000.01215.84
7.1.210.0090.00615.77
7.1.200.0060.00515.70
7.1.190.0050.00515.62
7.1.180.0000.01215.93
7.1.170.0270.00914.83
7.1.160.0270.01014.74
7.1.150.0320.00514.79
7.1.140.0310.01114.74
7.1.130.0330.00814.75
7.1.120.0340.00914.83
7.1.110.0810.00514.87
7.1.100.0300.01114.66
7.1.90.0390.00914.70
7.1.80.0600.00514.67
7.1.70.0440.00514.82
7.1.60.0560.00523.89
7.1.50.0580.01023.63
7.1.40.0560.00923.72
7.1.30.0570.00723.79
7.1.20.0580.01023.86
7.1.10.0460.01114.70
7.1.00.0470.00514.58
7.0.330.0040.01115.11
7.0.320.0100.01015.17
7.0.310.0060.01015.16
7.0.300.0060.00615.45
7.0.290.0030.00615.34
7.0.280.0070.00715.49
7.0.270.0120.00315.27
7.0.260.0000.01315.46
7.0.250.0000.00815.55
7.0.240.0100.00315.45
7.0.230.0040.00715.50
7.0.220.0040.01215.43
7.0.210.0040.01115.11
7.0.200.0070.00715.46
7.0.190.0000.01415.20
7.0.180.0000.01015.46
7.0.170.0060.00615.47
7.0.160.0000.01215.36
7.0.150.0130.00315.56
7.0.140.0060.00615.37
7.0.130.0030.00915.53
7.0.120.0030.00915.29
7.0.110.0070.00715.27
7.0.100.0000.01315.36
7.0.90.0070.00715.60
7.0.80.0060.00615.36
7.0.70.0040.01115.55
7.0.60.0070.00715.72
7.0.50.0000.01315.68
7.0.40.0050.00513.66
7.0.30.0090.00613.39
7.0.20.0060.00913.39
7.0.10.0030.00713.14
7.0.00.0110.00013.45
5.6.400.0090.00314.21
5.6.390.0100.00714.23
5.6.380.0030.00914.56
5.6.370.0040.01414.32
5.6.360.0030.01314.20
5.6.350.0030.00614.51
5.6.340.0000.01514.10
5.6.330.0040.01114.36
5.6.320.0080.00414.25
5.6.310.0040.01114.26
5.6.300.0040.00814.13
5.6.290.0060.00614.56
5.6.280.0030.01414.22
5.6.270.0120.00614.03
5.6.260.0110.00614.22
5.6.250.0070.01014.34
5.6.240.0070.00714.16
5.6.230.0060.00914.30
5.6.220.0030.01014.16
5.6.210.0040.01114.27
5.6.200.0070.00714.06
5.6.190.0090.00614.18
5.6.180.0040.00914.29
5.6.170.0100.00714.02
5.6.160.0100.00014.07
5.6.150.0090.00314.29
5.6.140.0060.00914.35
5.6.130.0000.00914.17
5.6.120.0030.00514.51
5.6.110.0050.00514.32
5.6.100.0040.00713.96
5.6.90.0060.00314.34
5.6.80.0100.00614.03
5.6.70.0040.01214.27
5.6.60.0070.00714.08
5.6.50.0030.00914.06
5.6.40.0060.00914.05
5.6.30.0060.01013.98
5.6.20.0000.00814.06
5.6.10.0040.00713.97
5.6.00.0090.00614.21

preferences:
32.95 ms | 400 KiB | 5 Q