3v4l.org

run code in 300+ PHP versions simultaneously
<?php function experiment1($first, $two='') { echo $first . ' - ' . $two . "\n"; } function experiment2($first, $two='') { global $two; echo $first . ' - ' . $two . "\n"; } $two = 2; experiment1(1); experiment1(1, 3); experiment2(1); experiment2(1,3);

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)
8.3.60.0110.00416.49
8.3.50.0000.01418.18
8.3.40.0040.01118.71
8.3.30.0120.00318.75
8.3.20.0000.00720.30
8.3.10.0000.00823.48
8.3.00.0080.00019.25
8.2.180.0160.00018.41
8.2.170.0100.00322.96
8.2.160.0110.00421.89
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0060.00617.50
8.2.120.0070.00026.35
8.2.110.0070.00419.31
8.2.100.0090.00317.93
8.2.90.0040.00419.23
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0050.00317.80
8.2.50.0090.00018.07
8.2.40.0060.00319.46
8.2.30.0030.00320.45
8.2.20.0040.00717.56
8.2.10.0040.00418.13
8.2.00.0000.00717.99
8.1.280.0110.00425.92
8.1.270.0040.00422.01
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0000.01019.13
8.1.230.0060.00617.78
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0060.00317.36
8.1.190.0030.00517.22
8.1.180.0070.00018.10
8.1.170.0060.00318.64
8.1.160.0000.00722.03
8.1.150.0000.00818.93
8.1.140.0040.00419.44
8.1.130.0040.00417.82
8.1.120.0050.00317.45
8.1.110.0040.00417.48
8.1.100.0000.00817.47
8.1.90.0000.00717.38
8.1.80.0030.00617.48
8.1.70.0030.00317.48
8.1.60.0050.00317.63
8.1.50.0060.00317.53
8.1.40.0000.00717.50
8.1.30.0030.00617.66
8.1.20.0000.00817.62
8.1.10.0000.00717.54
8.1.00.0040.00417.34
8.0.300.0050.00318.77
8.0.290.0000.00816.63
8.0.280.0070.00018.46
8.0.270.0030.00317.18
8.0.260.0000.00817.14
8.0.250.0050.00316.93
8.0.240.0000.00716.96
8.0.230.0040.00416.95
8.0.220.0000.00816.93
8.0.210.0040.00416.92
8.0.200.0060.00316.98
8.0.190.0000.00816.89
8.0.180.0000.00816.79
8.0.170.0070.00016.91
8.0.160.0050.00216.98
8.0.150.0080.00016.83
8.0.140.0000.00816.88
8.0.130.0000.00613.34
8.0.120.0050.00216.86
8.0.110.0050.00216.88
8.0.100.0000.00716.86
8.0.90.0050.00216.85
8.0.80.0170.00716.87
8.0.70.0030.00516.97
8.0.60.0040.00416.88
8.0.50.0040.00416.77
8.0.30.0100.00716.98
8.0.20.0150.00417.40
8.0.10.0040.00416.82
8.0.00.0130.00616.65
7.4.330.0000.00515.08
7.4.320.0030.00316.46
7.4.300.0060.00016.56
7.4.290.0030.00316.50
7.4.280.0030.00516.65
7.4.270.0030.00316.61
7.4.260.0070.00016.49
7.4.250.0050.00316.52
7.4.240.0050.00216.53
7.4.230.0040.00416.63
7.4.220.0090.00916.52
7.4.210.0100.00616.63
7.4.200.0000.00716.50
7.4.160.0060.00916.52
7.4.150.0090.00917.40
7.4.140.0110.01117.86
7.4.130.0160.00616.53
7.4.120.0110.00816.45
7.4.110.0140.00416.56
7.4.100.0100.01016.67
7.4.90.0040.01516.57
7.4.80.0120.00619.39
7.4.70.0120.00416.61
7.4.60.0090.00616.36
7.4.50.0000.00516.58
7.4.40.0090.00916.45
7.4.30.0090.01316.32
7.4.00.0040.01314.83
7.3.330.0000.00513.27
7.3.320.0000.00613.10
7.3.310.0070.00016.15
7.3.300.0000.00716.32
7.3.290.0090.00916.30
7.3.280.0070.00916.33
7.3.270.0060.01217.40
7.3.260.0090.00916.33
7.3.250.0070.01116.42
7.3.240.0060.01116.44
7.3.230.0130.01016.50
7.3.210.0060.01016.43
7.3.200.0110.01016.42
7.3.190.0120.00816.55
7.3.180.0120.00416.56
7.3.170.0110.00716.33
7.3.160.0140.00316.34
7.3.120.0060.01014.72
7.3.110.0080.00814.80
7.3.100.0090.00714.82
7.3.90.0080.00515.06
7.3.80.0050.00714.81
7.3.70.0060.00714.81
7.3.60.0100.00614.90
7.3.50.0050.01014.72
7.3.40.0110.00014.73
7.3.30.0080.00514.64
7.3.20.0030.01016.60
7.3.10.0050.00816.57
7.3.00.0050.00916.52
7.2.330.0030.01316.33
7.2.320.0060.01216.36
7.2.310.0100.00616.64
7.2.300.0110.00616.57
7.2.290.0180.00316.60
7.2.250.0070.01114.76
7.2.240.0050.01315.19
7.2.230.0060.01015.06
7.2.220.0050.00714.97
7.2.210.0060.00714.91
7.2.200.0070.00714.87
7.2.190.0070.01114.85
7.2.180.0060.00814.98
7.2.170.0020.01314.93
7.2.160.0070.01014.99
7.2.150.0050.00616.84
7.2.140.0070.00616.76
7.2.130.0070.00916.87
7.2.120.0070.00716.82
7.2.110.0050.00916.80
7.2.100.0050.01116.89
7.2.90.0090.00916.86
7.2.80.0120.00316.82
7.2.70.0040.01416.83
7.2.60.0050.00616.95
7.2.50.0050.00816.82
7.2.40.0060.00516.74
7.2.30.0030.00816.91
7.2.20.0070.00716.77
7.2.10.0060.00816.84
7.2.00.0030.01217.59
7.1.330.0080.00715.57
7.1.320.0030.01015.85
7.1.310.0030.01015.57
7.1.300.0030.01115.85
7.1.290.0020.01115.57
7.1.280.0040.01015.53
7.1.270.0100.00515.65
7.1.260.0060.00815.86
7.1.250.0050.00615.66
7.1.240.0110.00015.55
7.1.230.0030.00615.62
7.1.220.0030.00715.84
7.1.210.0080.00415.78
7.1.200.0090.00615.61
7.1.190.0050.00515.48
7.1.180.0120.00315.79
7.1.170.0030.01415.60
7.1.160.0030.00615.70
7.1.150.0080.00015.61
7.1.140.0040.00715.64
7.1.130.0070.00715.54
7.1.120.0070.00715.76
7.1.110.0060.00315.65
7.1.100.0140.00416.70
7.1.90.0100.00715.80
7.1.80.0070.00715.73
7.1.70.0030.00916.40
7.1.60.0070.01117.58
7.1.50.0080.00916.22
7.1.40.0040.01115.75
7.1.30.0090.00615.36
7.1.20.0090.00615.60
7.1.10.0030.00715.59
7.1.00.0020.04418.95
7.0.330.0000.01115.30
7.0.320.0030.01015.24
7.0.310.0110.00415.26
7.0.300.0030.00615.17
7.0.290.0000.00815.31
7.0.280.0030.00915.02
7.0.270.0040.00415.40
7.0.260.0000.00915.42
7.0.250.0080.00815.32
7.0.240.0000.01415.44
7.0.230.0000.01315.48
7.0.220.0090.00315.52
7.0.210.0060.00615.52
7.0.200.0130.00415.04
7.0.190.0090.00315.14
7.0.180.0030.00615.35
7.0.170.0050.00515.39
7.0.160.0030.01315.20
7.0.150.0100.00315.21
7.0.140.0030.00715.22
7.0.130.0080.00415.41
7.0.120.0070.01115.48
7.0.110.0060.00915.45
7.0.100.0040.00815.07
7.0.90.0030.00915.03
7.0.80.0070.00715.32
7.0.70.0060.00615.27
7.0.60.0130.04017.56
7.0.50.0080.04216.50
7.0.40.0060.04116.77
7.0.30.0050.04516.61
7.0.20.0130.04316.69
7.0.10.0060.04016.65
7.0.00.0060.02016.91
5.6.400.0030.00514.48
5.6.390.0060.00314.25
5.6.380.0060.00914.28
5.6.370.0100.00314.39
5.6.360.0060.00613.94
5.6.350.0030.00914.14
5.6.340.0120.00314.22
5.6.330.0040.00714.05
5.6.320.0060.00914.43
5.6.310.0090.00914.29
5.6.300.0040.00414.48
5.6.290.0030.01014.27
5.6.280.0000.02717.57
5.6.270.0040.01114.25
5.6.260.0060.00914.22
5.6.250.0030.00714.33
5.6.240.0110.00414.18
5.6.230.0070.00714.30
5.6.220.0120.00314.19
5.6.210.0100.03317.50
5.6.200.0050.02116.24
5.6.190.0120.04017.44
5.6.180.0220.04217.40
5.6.170.0120.02817.47
5.6.160.0130.03817.33
5.6.150.0060.02316.09
5.6.140.0090.02016.04
5.6.130.0070.02216.24
5.6.120.0030.02917.64
5.6.110.0120.03417.56
5.6.100.0020.05017.71
5.6.90.0080.04417.66
5.6.80.0080.03817.20
5.6.70.0000.01214.15
5.6.60.0040.01114.08
5.6.50.0120.00314.29
5.6.40.0060.00614.29
5.6.30.0000.01114.08
5.6.20.0110.00014.21
5.6.10.0060.00614.11
5.6.00.0060.00614.07
5.5.380.0100.00313.87
5.5.370.0040.00814.24
5.5.360.0070.00714.14
5.5.350.1650.02517.21
5.5.340.0060.03116.16
5.5.330.0010.02817.35
5.5.320.0170.02217.38
5.5.310.0220.03317.07
5.5.300.0070.02815.82
5.5.290.0100.02016.20
5.5.280.0020.02617.54
5.5.270.0100.04017.61
5.5.260.0070.04817.45
5.5.250.0120.03917.30
5.5.240.0150.02517.08
5.5.230.0060.00614.10
5.5.220.0060.00614.08
5.5.210.0060.00614.09
5.5.200.0040.01113.88
5.5.190.0070.00713.89
5.5.180.0100.00314.04
5.5.170.0090.00314.32
5.5.160.0130.00013.92
5.5.150.0100.00314.21
5.5.140.0090.00614.10
5.5.130.0000.01614.17
5.5.120.0060.00614.03
5.5.110.0070.00414.03
5.5.100.0000.01114.25
5.5.90.0090.00014.34
5.5.80.0030.01014.01
5.5.70.0060.00313.93
5.5.60.0030.00914.31
5.5.50.0090.00614.05
5.5.40.0030.00614.37
5.5.30.0060.00613.65
5.5.20.0070.00714.28
5.5.10.0090.00613.79
5.5.00.0000.01514.06

preferences:
48.08 ms | 401 KiB | 5 Q