3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b=2; $a='$b'; $c=$a*1 ; echo $c;

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)
8.3.60.0040.01418.39
8.3.50.0060.00917.86
8.3.40.0110.00318.67
8.3.30.0040.01418.71
8.3.20.0060.00320.25
8.3.10.0040.00420.52
8.3.00.0070.00021.64
8.2.180.0120.00316.88
8.2.170.0150.00622.96
8.2.160.0030.01022.16
8.2.150.0030.00524.18
8.2.140.0030.00624.66
8.2.130.0050.00219.52
8.2.120.0000.00726.35
8.2.110.0060.00321.04
8.2.100.0110.00017.97
8.2.90.0000.00917.95
8.2.80.0000.00818.12
8.2.70.0000.01017.75
8.2.60.0030.00618.04
8.2.50.0050.00318.09
8.2.40.0050.00220.28
8.2.30.0040.00419.48
8.2.20.0040.00417.73
8.2.10.0040.00417.98
8.2.00.0000.00718.02
8.1.280.0090.00625.92
8.1.270.0080.00822.19
8.1.260.0080.00828.09
8.1.250.0000.00928.09
8.1.240.0060.00323.92
8.1.230.0110.00020.91
8.1.220.0000.00817.79
8.1.210.0050.00318.91
8.1.200.0040.00417.35
8.1.190.0040.00417.25
8.1.180.0060.00318.10
8.1.170.0030.00918.53
8.1.160.0000.00720.69
8.1.150.0000.00818.82
8.1.140.0030.00519.55
8.1.130.0030.00317.67
8.1.120.0000.00717.30
8.1.110.0000.00817.32
8.1.100.0000.00717.32
8.1.90.0040.00417.28
8.1.80.0060.00317.29
8.1.70.0030.00317.34
8.1.60.0070.00017.52
8.1.50.0050.00317.52
8.1.40.0040.00417.57
8.1.30.0000.00817.61
8.1.20.0000.00717.54
8.1.10.0050.00217.57
8.1.00.0040.00417.51
8.0.300.0030.00319.89
8.0.290.0070.00016.75
8.0.280.0000.00718.36
8.0.270.0000.00717.28
8.0.260.0030.00617.20
8.0.250.0030.00317.07
8.0.240.0000.00616.89
8.0.230.0000.00717.01
8.0.220.0000.00816.85
8.0.210.0000.00716.75
8.0.200.0000.00716.78
8.0.190.0000.00716.86
8.0.180.0040.00416.89
8.0.170.0000.00816.88
8.0.160.0000.00716.76
8.0.150.0070.00016.77
8.0.140.0030.00616.80
8.0.130.0030.00313.31
8.0.120.0050.00316.72
8.0.110.0000.00716.89
8.0.100.0040.00416.74
8.0.90.0040.00416.90
8.0.80.0100.00616.83
8.0.70.0080.00016.84
8.0.60.0040.00416.73
8.0.50.0000.00716.69
8.0.30.0080.01017.19
8.0.20.0160.00317.40
8.0.10.0030.00316.89
8.0.00.0090.01016.64
7.4.330.0050.00016.67
7.4.320.0030.00316.53
7.4.300.0000.00616.53
7.4.290.0070.00016.53
7.4.280.0000.00716.51
7.4.270.0000.00716.58
7.4.260.0050.00316.55
7.4.250.0000.00716.48
7.4.240.0040.00416.54
7.4.230.0040.00416.55
7.4.220.0030.01516.46
7.4.210.0030.01016.50
7.4.200.0000.00716.41
7.4.160.0120.00316.42
7.4.150.0070.01717.40
7.4.140.0160.00717.86
7.4.130.0070.01016.50
7.4.120.0090.00716.44
7.4.110.0170.00416.36
7.4.100.0110.00716.33
7.4.90.0110.00616.41
7.4.80.0090.01219.39
7.4.70.0100.00616.44
7.4.60.0030.01316.48
7.4.50.0090.00616.35
7.4.40.0090.00616.48
7.4.30.0060.00916.63
7.4.00.0030.01315.11
7.3.330.0030.00313.00
7.3.320.0000.00513.00
7.3.310.0050.00316.05
7.3.300.0030.00316.27
7.3.290.0060.01216.21
7.3.280.0060.01016.27
7.3.270.0070.01117.40
7.3.260.0150.00316.35
7.3.250.0050.01216.30
7.3.240.0080.01016.39
7.3.230.0030.01716.43
7.3.210.0060.01116.24
7.3.200.0070.01116.49
7.3.190.0090.01216.36
7.3.180.0120.00616.35
7.3.170.0150.00316.29
7.3.160.0100.01016.45
7.2.330.0070.01016.32
7.2.320.0090.00916.47
7.2.310.0070.01016.30
7.2.300.0100.00716.64
7.2.290.0070.01016.71
7.2.60.0060.00917.08
7.2.00.0030.01019.22
7.1.200.0060.00315.42
7.1.100.0040.01317.64
7.1.70.0000.00717.06
7.1.60.0070.01719.24
7.1.50.0040.00716.85
7.1.00.0030.07022.48
7.0.200.0650.00314.48
7.0.60.0330.03020.02
7.0.50.0070.03717.80
7.0.40.0100.04319.98
7.0.30.0370.06320.13
7.0.20.0270.09020.30
7.0.10.0000.07320.04
7.0.00.0070.05020.31
5.6.280.0070.03320.98
5.6.210.0070.06020.75
5.6.200.0070.08018.19
5.6.190.0000.04720.61
5.6.180.0300.04320.65
5.6.170.0330.07720.51
5.6.160.0000.05020.48
5.6.150.0030.06018.11
5.6.140.0030.08718.16
5.6.130.0100.07718.14
5.6.120.0070.05720.99
5.6.110.0000.06320.95
5.6.100.0000.08021.00
5.6.90.0030.06021.07
5.6.80.0130.06020.38
5.5.350.0270.07720.39
5.5.340.0130.07018.00
5.5.330.0030.05720.21
5.5.320.0500.04320.29
5.5.310.0370.06020.34
5.5.300.0070.08017.91
5.5.290.0070.08318.02
5.5.280.0100.08020.77
5.5.270.0130.08020.65
5.5.260.0030.09320.78
5.5.250.0130.07020.68
5.5.240.0000.03720.25

preferences:
62.06 ms | 400 KiB | 5 Q