3v4l.org

run code in 300+ PHP versions simultaneously
<?php function &foo() { $test = "foo"; return $test; } $foo = &foo(); var_dump($foo);

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)
8.3.60.0100.01016.63
8.3.50.0100.00716.39
8.3.40.0040.01118.63
8.3.30.0090.00618.57
8.3.20.0040.00420.04
8.3.10.0050.00321.60
8.3.00.0080.00021.00
8.2.180.0070.00718.42
8.2.170.0100.00722.96
8.2.160.0070.00722.04
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0000.00822.25
8.2.120.0050.00326.35
8.2.110.0070.00322.13
8.2.100.0160.01017.25
8.2.90.0000.00819.23
8.2.80.0090.00017.97
8.2.70.0050.00317.50
8.2.60.0050.00317.80
8.2.50.0000.00818.10
8.2.40.0000.00722.33
8.2.30.0050.00220.97
8.2.20.0000.00818.00
8.2.10.0050.00317.97
8.2.00.0020.00518.10
8.1.280.0070.01125.92
8.1.270.0000.00722.02
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.84
8.1.230.0070.00422.01
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0040.00817.23
8.1.190.0040.00417.25
8.1.180.0030.00618.10
8.1.170.0040.00418.56
8.1.160.0000.00718.88
8.1.150.0040.00420.57
8.1.140.0040.00419.57
8.1.130.0000.00818.70
8.1.120.0040.00417.29
8.1.110.0070.00017.21
8.1.100.0040.00417.41
8.1.90.0000.00817.27
8.1.80.0000.00817.43
8.1.70.0030.00317.40
8.1.60.0040.00417.47
8.1.50.0040.00417.50
8.1.40.0030.00617.52
8.1.30.0000.00817.53
8.1.20.0060.00317.62
8.1.10.0040.00417.34
8.1.00.0070.00017.34
8.0.300.0060.00318.77
8.0.290.0060.00316.63
8.0.280.0000.00718.34
8.0.270.0030.00317.10
8.0.260.0030.00316.66
8.0.250.0000.00616.84
8.0.240.0030.00516.64
8.0.230.0000.00716.85
8.0.220.0000.00716.75
8.0.210.0000.00716.71
8.0.200.0040.00416.89
8.0.190.0030.00516.78
8.0.180.0000.00716.86
8.0.170.0050.00316.90
8.0.160.0070.00016.71
8.0.150.0060.00316.80
8.0.140.0000.00716.68
8.0.130.0020.00613.27
8.0.120.0000.00716.79
8.0.110.0050.00316.73
8.0.100.0000.00816.68
8.0.90.0000.00816.82
8.0.80.0110.00816.81
8.0.70.0000.00816.68
8.0.60.0040.00416.84
8.0.50.0000.00716.64
8.0.30.0120.00317.04
8.0.20.0060.01317.40
8.0.10.0000.00717.00
8.0.00.0160.00616.80
7.4.330.0050.00015.55
7.4.320.0040.00416.57
7.4.300.0000.00716.48
7.4.290.0040.00416.57
7.4.280.0000.00716.58
7.4.270.0040.00416.56
7.4.260.0070.00016.52
7.4.250.0030.00316.55
7.4.240.0000.00716.48
7.4.230.0000.00716.66
7.4.220.0170.01016.54
7.4.210.0030.01216.52
7.4.200.0040.00416.68
7.4.160.0060.01016.36
7.4.150.0140.01017.40
7.4.140.0130.00817.86
7.4.130.0150.00416.41
7.4.120.0080.00916.52
7.4.110.0100.00716.36
7.4.100.0090.00916.39
7.4.90.0140.00616.44
7.4.80.0030.01319.39
7.4.70.0060.01116.48
7.4.60.0140.00316.49
7.4.50.0000.01316.30
7.4.40.0110.00716.24
7.4.30.0130.00516.43
7.4.00.0070.01015.00
7.3.330.0050.00013.20
7.3.320.0000.00613.09
7.3.310.0000.00716.12
7.3.300.0070.00016.11
7.3.290.0040.00316.27
7.3.280.0090.00816.24
7.3.270.0050.01417.40
7.3.260.0080.01016.48
7.3.250.0080.01116.49
7.3.240.0090.00716.26
7.3.230.0060.01316.18
7.3.210.0160.00616.16
7.3.200.0100.01316.43
7.3.190.0100.00616.41
7.3.180.0100.00716.28
7.3.170.0030.01216.55
7.3.160.0080.00816.33
7.3.120.0030.01314.47
7.3.110.0100.00514.61
7.3.100.0020.01114.88
7.3.90.0070.00914.60
7.3.80.0100.00314.60
7.3.70.0070.00414.62
7.3.60.0110.00314.58
7.3.50.0110.00314.77
7.3.40.0040.01214.61
7.3.30.0100.00514.71
7.3.20.0040.01116.57
7.3.10.0010.01216.55
7.3.00.0070.00816.54
7.2.330.0030.01616.61
7.2.320.0140.00416.73
7.2.310.0100.00716.41
7.2.300.0090.00916.43
7.2.290.0070.01016.58
7.2.250.0030.01214.61
7.2.240.0050.01114.58
7.2.230.0070.00715.00
7.2.220.0030.01014.88
7.2.210.0020.00814.57
7.2.200.0050.00714.70
7.2.190.0030.01014.84
7.2.180.0060.01014.79
7.2.170.0050.00714.87
7.2.160.0070.00614.66
7.2.150.0070.00716.82
7.2.140.0030.01016.59
7.2.130.0070.00616.76
7.2.120.0060.00716.56
7.2.110.0040.01116.58
7.2.100.0060.00516.61
7.2.90.0080.00716.77
7.2.80.0020.01316.61
7.2.70.0040.01116.72
7.2.60.0040.01016.63
7.2.50.0040.01116.75
7.2.40.0080.00616.77
7.2.30.0070.00816.67
7.2.20.0050.00816.65
7.2.10.0050.00716.65
7.2.00.0060.00917.33
7.1.330.0050.01015.74
7.1.320.0060.00915.84
7.1.310.0070.00515.69
7.1.300.0030.01115.59
7.1.290.0080.00815.75
7.1.280.0020.01015.70
7.1.270.0070.00615.77
7.1.260.0050.00615.80
7.1.250.0040.01015.56
7.1.240.0000.01015.80
7.1.230.0030.00715.48
7.1.220.0090.00315.87
7.1.210.0000.01715.82
7.1.200.0020.01315.76
7.1.190.0100.00315.94
7.1.180.0050.00915.70
7.1.170.0060.01015.65
7.1.160.0060.00915.88
7.1.150.0090.00615.70
7.1.140.0000.01415.83
7.1.130.0000.01415.73
7.1.120.0090.00915.48
7.1.110.0030.00915.63
7.1.100.0080.00216.86
7.1.90.0000.01515.84
7.1.80.0060.00915.68
7.1.70.0050.00716.05
7.1.60.0230.01024.54
7.1.50.0200.01224.41
7.1.40.0170.01524.08
7.1.30.0300.00524.05
7.1.20.0240.00924.12
7.1.10.0220.00815.10
7.1.00.0170.01015.31
7.0.330.0060.00615.00
7.0.320.0030.00915.39
7.0.310.0030.01015.45
7.0.300.0120.00315.30
7.0.290.0040.00815.38
7.0.280.0040.00415.25
7.0.270.0030.01415.30
7.0.260.0030.01515.20
7.0.250.0060.00615.34
7.0.240.0040.01115.42
7.0.230.0000.01715.38
7.0.220.0070.00715.27
7.0.210.0090.00615.42
7.0.200.0190.00515.04
7.0.190.0170.00715.20
7.0.180.0190.00514.68
7.0.170.0200.00714.89
7.0.160.0230.00314.77
7.0.150.0180.00814.80
7.0.140.0170.00714.83
7.0.130.0420.00715.01
7.0.120.0180.00814.96
7.0.110.0180.01014.93
7.0.100.0180.00814.99
7.0.90.0190.00514.99
7.0.80.0180.00914.81
7.0.70.0210.00514.82
7.0.60.0150.01014.76
7.0.50.0210.00414.92
7.0.40.0330.00714.00
7.0.30.0320.01213.93
7.0.20.0380.00614.06
7.0.10.0250.00813.97
7.0.00.0370.01213.96
5.6.400.0000.01413.86
5.6.390.0070.00414.15
5.6.380.0120.00314.14
5.6.370.0030.01014.54
5.6.360.0060.00914.49
5.6.350.0100.00313.72
5.6.340.0040.00414.53
5.6.330.0070.01114.05
5.6.320.0060.00314.46
5.6.310.0030.01314.04
5.6.300.0030.01314.27
5.6.290.0120.00314.11
5.6.280.0060.00914.21
5.6.270.0000.01613.93
5.6.260.0030.01414.21
5.6.250.0060.00614.27
5.6.240.0110.00314.14
5.6.230.0100.00314.39
5.6.220.0070.00714.01
5.6.210.0060.00613.98
5.6.200.0000.01314.35
5.6.190.0030.00914.06
5.6.180.0120.00414.23
5.6.170.0100.00314.27
5.6.160.0030.00613.97
5.6.150.0100.00314.06
5.6.140.0000.01214.18
5.6.130.0030.00614.01
5.6.120.0070.00714.11
5.6.110.0040.00414.24
5.6.100.0070.00714.07
5.6.90.0090.00014.40
5.6.80.0040.00414.06
5.6.70.0040.01114.19
5.6.60.0040.00414.13
5.6.50.0050.00514.40
5.6.40.0080.00814.32
5.6.30.0030.00614.14
5.6.20.0000.01114.12
5.6.10.0060.00614.16
5.6.00.0040.00414.40

preferences:
47.63 ms | 400 KiB | 5 Q