3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0; echo $a+$a+$a+$a+$a++; //0 $a = 1; echo $a+$a+$a+$a+$a++; //5 $a = 2; echo $a+$a+$a+$a+$a++; //10 $a = 3; echo $a+$a+$a+$a+$a++; //15 echo PHP_EOL; $a = 0; echo $a+$a+$a+$a++; //0 $a = 1; echo $a+$a+$a+$a++; //4 $a = 2; echo $a+$a+$a+$a++; //8 $a = 3; echo $a+$a+$a+$a++; //12 echo PHP_EOL; $a = 0; echo $a+$a+$a++; //0 $a = 1; echo $a+$a+$a++; //3 $a = 2; echo $a+$a+$a++; //6 $a = 3; echo $a+$a+$a++; //9 echo PHP_EOL; $a = 0; echo $a+$a++; //1 <-- should be 0 $a = 1; echo $a+$a++; //3 $a = 2; echo $a+$a++; //5 $a = 3; echo $a+$a++; //7 echo PHP_EOL; $a = 0; echo $a++; //0 $a = 1; echo $a++; //1 $a = 2; echo $a++; //2 $a = 3; echo $a++; //2

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)
8.5.30.0120.01017.34
8.5.20.0120.00819.48
8.5.10.0100.00716.69
8.5.00.0090.01419.91
8.4.180.0130.00619.69
8.4.170.0110.01020.29
8.4.160.0150.00921.52
8.4.150.0080.00416.87
8.4.140.0130.01217.55
8.4.130.0130.00717.79
8.4.120.0160.00622.46
8.4.110.0040.00422.46
8.4.100.0150.00517.45
8.4.90.0060.00417.70
8.4.80.0110.00917.75
8.4.70.0060.00317.77
8.4.60.0120.00918.84
8.4.50.0180.00219.33
8.4.40.0150.00617.58
8.4.30.0160.00317.50
8.4.20.0120.00319.23
8.4.10.0090.00017.95
8.3.300.0120.00918.39
8.3.290.0020.00620.94
8.3.280.0110.01018.13
8.3.270.0070.01216.57
8.3.260.0080.00616.42
8.3.250.0130.00618.86
8.3.240.0030.00516.86
8.3.230.0060.00316.49
8.3.220.0120.00620.61
8.3.210.0150.00516.41
8.3.200.0030.00516.58
8.3.190.0080.00916.93
8.3.180.0090.00918.11
8.3.170.0090.00918.88
8.3.160.0000.00718.25
8.3.150.0030.00718.62
8.3.140.0150.00416.25
8.3.130.0130.00716.38
8.3.120.0040.00419.04
8.3.110.0070.00320.94
8.3.100.0030.00618.30
8.3.90.0060.01217.99
8.3.80.0060.00318.55
8.3.70.0060.01018.18
8.3.60.0040.01518.18
8.3.50.0030.01218.89
8.3.40.0070.00718.76
8.3.30.0110.00418.57
8.3.20.0040.00420.04
8.3.10.0040.00420.53
8.3.00.0040.00423.53
8.2.300.0150.00622.10
8.2.290.0050.00320.79
8.2.280.0050.00418.68
8.2.270.0070.01119.06
8.2.260.0100.00018.13
8.2.250.0040.00416.85
8.2.240.0090.00017.37
8.2.230.0110.00422.58
8.2.220.0050.00324.06
8.2.210.0090.00926.77
8.2.200.0090.00018.16
8.2.190.0170.00016.75
8.2.180.0150.00618.16
8.2.170.0130.00322.96
8.2.160.0040.01120.39
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0060.00320.52
8.2.120.0040.00426.35
8.2.110.0030.00620.89
8.2.100.0090.00317.91
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0040.00417.61
8.2.60.0030.00617.93
8.2.50.0020.00518.10
8.2.40.0000.00720.60
8.2.30.0000.00719.18
8.2.20.0000.00718.09
8.2.10.0040.00417.93
8.2.00.0000.00718.00
8.1.340.0100.01017.52
8.1.330.0050.00321.74
8.1.320.0130.00616.35
8.1.310.0110.00718.71
8.1.300.0060.00318.57
8.1.290.0100.00018.88
8.1.280.0070.00725.92
8.1.270.0080.00022.19
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00421.06
8.1.230.0080.00417.83
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0050.00317.25
8.1.180.0030.00518.10
8.1.170.0000.00818.50
8.1.160.0000.00718.78
8.1.150.0040.00418.85
8.1.140.0000.00719.08
8.1.130.0000.00718.83
8.1.120.0040.00417.40
8.1.110.0030.00517.30
8.1.100.0000.00817.40
8.1.90.0050.00317.31
8.1.80.0040.00417.37
8.1.70.0030.00517.27
8.1.60.0000.00817.54
8.1.50.0000.00817.37
8.1.40.0040.00417.44
8.1.30.0040.00417.57
8.1.20.0070.00317.54
8.1.10.0050.00317.52
8.1.00.0040.00417.35
8.0.300.0000.00818.77
8.0.290.0030.00616.58
8.0.280.0000.00718.46
8.0.270.0000.00817.14
8.0.260.0000.00716.72
8.0.250.0050.00216.99
8.0.240.0040.00416.89
8.0.230.0070.00016.85
8.0.220.0040.00416.91
8.0.210.0000.00716.84
8.0.200.0000.00616.85
8.0.190.0000.00816.78
8.0.180.0040.00416.77
8.0.170.0080.00416.89
8.0.160.0000.00716.87
8.0.150.0070.00316.80
8.0.140.0070.00016.83
8.0.130.0030.00313.27
8.0.120.0080.00016.92
8.0.110.0040.00416.79
8.0.100.0040.00416.68
8.0.90.0040.00416.81
8.0.80.0090.00916.89
8.0.70.0040.00416.72
8.0.60.0000.00816.75
8.0.50.0040.00416.72
8.0.30.0070.01116.94
8.0.20.0090.01017.40
8.0.10.0000.00716.89
8.0.00.0150.00616.72
7.4.330.0000.00415.55
7.4.320.0000.00616.51
7.4.300.0060.00016.47
7.4.290.0060.00316.38
7.4.280.0030.00616.46
7.4.270.0040.00416.46
7.4.260.0030.00316.45
7.4.250.0020.00516.45
7.4.240.0070.00016.47
7.4.230.0030.00316.66
7.4.220.0090.00916.47
7.4.210.0090.00516.62
7.4.200.0000.00716.52
7.4.160.0090.01116.45
7.4.150.0100.00717.40
7.4.140.0110.01117.86
7.4.130.0090.00916.45
7.4.120.0090.01016.47
7.4.110.0150.00316.70
7.4.100.0080.00816.43
7.4.90.0180.00016.29
7.4.80.0080.00819.39
7.4.70.0070.01516.39
7.4.60.0070.01016.36
7.4.50.0070.01116.38
7.4.40.0070.01416.41
7.4.30.0090.00916.46
7.4.00.0070.01014.70
7.3.330.0000.00512.98
7.3.320.0030.00313.02
7.3.310.0070.00016.25
7.3.300.0030.00316.30
7.3.290.0070.00016.30
7.3.280.0120.00316.29
7.3.270.0150.00317.40
7.3.260.0080.01016.36
7.3.250.0130.00816.56
7.3.240.0070.01116.52
7.3.230.0000.01616.64
7.3.210.0100.00616.30
7.3.200.0060.01116.28
7.3.190.0030.01716.61
7.3.180.0090.01416.58
7.3.170.0180.00016.47
7.3.160.0100.00616.30
7.3.10.0030.01216.42
7.3.00.0030.01016.61
7.2.330.0070.01016.65
7.2.320.0130.00316.65
7.2.310.0120.00916.47
7.2.300.0070.01016.35
7.2.290.0080.01416.74
7.2.130.0040.01116.86
7.2.120.0090.00616.96
7.2.110.0070.00417.00
7.2.100.0030.01216.59
7.2.90.0100.00316.86
7.2.80.0070.01116.86
7.2.70.0000.01517.08
7.2.60.0040.01116.88
7.2.50.0080.00416.56
7.2.40.0040.01216.80
7.2.30.0040.01117.07
7.2.20.0100.00316.73
7.2.10.0070.00716.48
7.2.00.0090.00318.93
7.1.250.0030.00715.64
7.1.200.0100.00315.69
7.1.120.0020.01018.67
7.1.110.0000.01018.12
7.1.100.0020.00818.11
7.1.90.0030.00818.03
7.1.80.0040.00718.10
7.1.70.0100.00217.16
7.1.60.0150.00834.90
7.1.50.0130.01034.78
7.1.40.0110.01134.28
7.1.30.0180.00734.35
7.1.20.0160.01134.38
7.1.10.0070.00316.64
7.1.00.0040.00616.50

preferences:
55.18 ms | 1435 KiB | 5 Q