3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 123 + 123 ; echo "\n"; echo 0123 + 123 ; echo "\n"; echo "\n"; echo "123" + 123 ; echo "\n"; echo "0123" + 123 ; echo "\n"; echo " 123" + 123 ; echo "\n"; echo "123 " + 123 ; echo "\n"; echo 123 + "123" ; echo "\n"; echo 123 + "0123" ; echo "\n"; echo 123 + " 123" ; echo "\n"; echo 123 + "123 "; echo "\n"; echo "\n"; //echo array(123) + 123; echo "\n"; echo 123 + array(123); echo "\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)
8.3.60.0040.01118.30
8.3.50.0140.00521.85
8.3.40.0110.00318.66
8.3.30.0060.01219.18
8.3.20.0070.00020.04
8.3.10.0040.00423.53
8.3.00.0050.00517.63
8.2.180.0070.00718.40
8.2.170.0000.01422.96
8.2.160.0000.01520.35
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0060.00926.16
8.2.120.0030.00522.09
8.2.110.0030.00622.11
8.2.100.0090.00018.91
8.1.280.0100.00725.92
8.1.270.0080.00023.78
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00618.52
8.1.230.0040.00418.67
5.4.340.0040.03611.97
5.4.320.0060.04012.46
5.4.310.0040.03912.45
5.4.300.0080.03512.45
5.4.290.0030.04412.45
5.4.280.0050.04112.34
5.4.270.0080.04212.34
5.4.260.0050.03812.35
5.4.250.0040.03912.35
5.4.240.0040.03812.34
5.4.230.0050.03812.34
5.4.220.0090.03812.34
5.4.210.0040.03712.34
5.4.200.0100.03712.34
5.4.190.0070.03412.33
5.4.180.0100.03212.33
5.4.170.0080.03912.34
5.4.160.0100.03312.34
5.4.150.0090.03712.34
5.4.140.0090.03412.02
5.4.130.0060.03812.01
5.4.120.0070.03411.97
5.4.110.0050.03911.96
5.4.100.0070.04211.96
5.4.90.0060.04311.96
5.4.80.0060.03611.96
5.4.70.0070.04111.96
5.4.60.0090.03411.96
5.4.50.0030.03711.96
5.4.40.0040.03611.95
5.4.30.0080.03311.94
5.4.20.0070.03411.95
5.4.10.0050.03511.95
5.4.00.0060.03511.43
5.3.290.0050.04012.80
5.3.280.0100.03412.70
5.3.270.0090.03712.72
5.3.260.0080.04212.72
5.3.250.0070.03812.72
5.3.240.0060.03712.72
5.3.230.0090.04112.71
5.3.220.0080.04012.68
5.3.210.0070.03812.68
5.3.200.0060.03912.68
5.3.190.0090.04112.68
5.3.180.0090.03812.67
5.3.170.0080.04012.67
5.3.160.0070.03812.67
5.3.150.0040.04012.67
5.3.140.0050.04212.66
5.3.130.0090.03712.66
5.3.120.0040.04112.66
5.3.110.0100.03612.66
5.3.100.0050.03712.11
5.3.90.0070.04212.08
5.3.80.0080.03412.07
5.3.70.0080.03412.07
5.3.60.0130.03812.07
5.3.50.0060.03912.00
5.3.40.0060.03712.00
5.3.30.0080.03311.95
5.3.20.0050.03911.73
5.3.10.0080.03311.69
5.3.00.0060.04111.68
5.2.170.0050.0339.18
5.2.160.0040.0309.18
5.2.150.0050.0299.18
5.2.140.0080.0349.18
5.2.130.0040.0309.14
5.2.120.0060.0349.14
5.2.110.0060.0339.15
5.2.100.0040.0299.14
5.2.90.0070.0299.14
5.2.80.0110.0239.14
5.2.70.0050.0299.14
5.2.60.0050.0299.09
5.2.50.0070.0279.05
5.2.40.0040.0299.03
5.2.30.0060.0289.01
5.2.20.0020.0309.00
5.2.10.0050.0358.94
5.2.00.0030.0318.80
5.1.60.0090.0218.08
5.1.50.0020.0298.08
5.1.40.0060.0268.06
5.1.30.0030.0278.41
5.1.20.0040.0348.43
5.1.10.0060.0258.15
5.1.00.0030.0318.15
5.0.50.0040.0216.64
5.0.40.0030.0196.50
5.0.30.0020.0346.31
5.0.20.0030.0226.30
5.0.10.0070.0186.27
5.0.00.0030.0356.27
4.4.90.0050.0224.78
4.4.80.0040.0184.75
4.4.70.0050.0244.75
4.4.60.0030.0174.76
4.4.50.0030.0174.77
4.4.40.0040.0264.71
4.4.30.0010.0224.76
4.4.20.0030.0164.85
4.4.10.0010.0234.85
4.4.00.0030.0264.76
4.3.110.0020.0174.67
4.3.100.0050.0134.66
4.3.90.0040.0154.64
4.3.80.0030.0284.58
4.3.70.0020.0194.63
4.3.60.0040.0164.63
4.3.50.0070.0124.63
4.3.40.0050.0284.53
4.3.30.0030.0163.32
4.3.20.0020.0173.30
4.3.10.0040.0153.25
4.3.00.0070.01010.08

preferences:
31.42 ms | 401 KiB | 5 Q