3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* line #* E I O op fetch ext return operands ------------------------------------------------------------------------------------- 2 0 E > ASSIGN !0, 1 3 1 POST_INC ~2 !0 2 ADD ~3 !0, ~2 3 ECHO ~3 16 4 > RETURN 1 */ //$a = 1; //echo ($a+$a++); /* line #* E I O op fetch ext return operands ------------------------------------------------------------------------------------- 2 0 E > ASSIGN !0, 1 3 1 ADD ~2 !0, !0 2 POST_INC ~3 !0 3 ADD ~4 ~2, ~3 4 ECHO ~4 5 > RETURN 1 */ //$a = 1; //echo ($a+$a+$a++);

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)
8.5.30.0130.01018.91
8.5.20.0060.01119.54
8.5.10.0090.00816.57
8.5.00.0130.00719.96
8.4.180.0110.01122.04
8.4.170.0110.01021.90
8.4.160.0100.01121.99
8.4.150.0080.00416.87
8.4.140.0150.00617.31
8.4.130.0090.01018.02
8.4.120.0110.00920.60
8.4.110.0050.00422.32
8.4.100.0100.01017.49
8.4.90.0100.01118.70
8.4.80.0050.00417.59
8.4.70.0120.00820.55
8.4.60.0110.01018.78
8.4.50.0090.00620.70
8.4.40.0160.00317.21
8.4.30.0160.00317.56
8.4.20.0140.00719.27
8.4.10.0040.00417.30
8.3.300.0110.01018.07
8.3.290.0140.00720.75
8.3.280.0100.01018.31
8.3.270.0140.01016.47
8.3.260.0130.00716.41
8.3.250.0130.00618.66
8.3.240.0130.00616.77
8.3.230.0100.00716.79
8.3.220.0050.00517.04
8.3.210.0030.00618.23
8.3.200.0040.00416.50
8.3.190.0100.01017.14
8.3.180.0120.00818.59
8.3.170.0130.00616.32
8.3.160.0100.00717.04
8.3.150.0110.00719.02
8.3.140.0080.00018.65
8.3.130.0040.00418.28
8.3.120.0100.01020.65
8.3.110.0040.00416.65
8.3.100.0030.00620.11
8.3.90.0120.00616.60
8.3.80.0070.00717.97
8.3.70.0150.00618.18
8.3.60.0100.01018.39
8.3.50.0090.00718.90
8.3.40.0070.01418.59
8.3.30.0120.00318.55
8.3.20.0000.00820.33
8.3.10.0080.00018.56
8.3.00.0050.00323.51
8.2.300.0140.00819.95
8.2.290.0130.00520.44
8.2.280.0050.00418.41
8.2.270.0070.01018.69
8.2.260.0090.00916.68
8.2.250.0070.00716.63
8.2.240.0030.00619.10
8.2.230.0060.00320.94
8.2.220.0080.00024.06
8.2.210.0120.00626.77
8.2.200.0030.00716.38
8.2.190.0080.00816.58
8.2.180.0140.00318.41
8.2.170.0090.00622.96
8.2.160.0070.00720.34
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00020.27
8.2.120.0050.00326.35
8.2.110.0060.00321.07
8.2.100.0090.00319.21
8.2.90.0050.00220.54
8.2.80.0040.00420.55
8.2.70.0040.00417.50
8.2.60.0000.00717.91
8.2.50.0000.00818.10
8.2.40.0040.00420.55
8.2.30.0000.00719.11
8.2.20.0000.00817.86
8.2.10.0040.00417.90
8.2.00.0030.00317.81
8.1.340.0130.00720.04
8.1.330.0120.00621.77
8.1.320.0090.01017.80
8.1.310.0110.00816.65
8.1.300.0000.00819.41
8.1.290.0060.00318.88
8.1.280.0110.00325.92
8.1.270.0110.00721.95
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00322.24
8.1.230.0100.00020.91
8.1.220.0040.00417.74
8.1.210.0040.00418.90
8.1.200.0030.00617.10
8.1.190.0060.00317.11
8.1.180.0040.00418.10
8.1.170.0000.00918.62
8.1.160.0040.00418.69
8.1.150.0040.00418.76
8.1.140.0070.00018.98
8.1.130.0030.00317.32
8.1.120.0000.00717.27
8.1.110.0050.00317.21
8.1.100.0000.00717.23
8.1.90.0040.00417.33
8.1.80.0020.00517.34
8.1.70.0030.00317.35
8.1.60.0050.00317.50
8.1.50.0060.00317.45
8.1.40.0040.00417.35
8.1.30.0040.00417.37
8.1.20.0000.00717.50
8.1.10.0050.00317.42
8.1.00.0080.00017.17
8.0.300.0000.00720.12
8.0.290.0060.00316.63
8.0.280.0030.00318.23
8.0.270.0040.00417.04
8.0.260.0030.00316.56
8.0.250.0030.00316.85
8.0.240.0030.00316.89
8.0.230.0050.00216.68
8.0.220.0070.00016.63
8.0.210.0000.00716.73
8.0.200.0060.00016.70
8.0.190.0080.00016.84
8.0.180.0040.00416.68
8.0.170.0040.00416.66
8.0.160.0070.00016.77
8.0.150.0000.00716.59
8.0.140.0000.00716.72
8.0.130.0090.00013.22
8.0.120.0070.00016.70
8.0.110.0040.00416.64
8.0.100.0050.00216.63
8.0.90.0040.00416.79
8.0.80.0060.00916.71
8.0.70.0070.00016.70
8.0.60.0000.00716.59
8.0.50.0000.00716.82
8.0.30.0100.00916.85
8.0.20.0100.00917.40
8.0.10.0040.00416.71
8.0.00.0080.01116.50
7.4.330.0000.00515.55
7.4.320.0000.00616.51
7.4.300.0000.00616.35
7.4.290.0070.00316.38
7.4.280.0060.00316.47
7.4.270.0040.00416.27
7.4.260.0070.00016.40
7.4.250.0000.00716.26
7.4.240.0030.00316.46
7.4.230.0030.00316.37
7.4.220.0200.00316.52
7.4.210.0070.01016.37
7.4.200.0030.00316.21
7.4.160.0040.01416.40
7.4.150.0160.00817.40
7.4.140.0110.00817.86
7.4.130.0100.00716.33
7.4.120.0110.00816.41
7.4.110.0110.00716.29
7.4.100.0120.01016.43
7.4.90.0100.00716.38
7.4.80.0080.01119.39
7.4.70.0110.01116.45
7.4.60.0100.00616.34
7.4.50.0060.00916.22
7.4.40.0060.00916.41
7.4.30.0100.00616.48
7.4.00.0040.01114.68
7.3.330.0050.00013.00
7.3.320.0070.00013.06
7.3.310.0030.00316.13
7.3.300.0030.00316.03
7.3.290.0040.00416.16
7.3.280.0080.01016.12
7.3.270.0060.01217.40
7.3.260.0100.00616.26
7.3.250.0100.00816.17
7.3.240.0140.00816.37
7.3.230.0050.01416.22
7.3.210.0040.01116.13
7.3.200.0060.01016.33
7.3.190.0040.01816.45
7.3.180.0060.00916.33
7.3.170.0080.00816.25
7.3.160.0060.00916.40
7.2.330.0100.00716.51
7.2.320.0140.00316.52
7.2.310.0070.01016.17
7.2.300.0090.00916.11
7.2.290.0090.00916.52
7.2.60.0000.01316.45
7.2.00.0100.00519.79
7.1.200.0000.00915.59
7.1.120.0050.00618.56
7.1.110.0070.00318.06
7.1.100.0070.00317.87
7.1.90.0020.00917.96
7.1.80.0020.00818.07
7.1.70.0050.00516.95
7.1.60.0100.01234.99
7.1.50.0190.00334.55
7.1.40.0130.01034.34
7.1.30.0140.00834.38
7.1.20.0170.00534.55
7.1.10.0050.00816.56
7.1.00.0030.00716.56

preferences:
56.23 ms | 1360 KiB | 5 Q