3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'p'; echo $a += (++$a) + (++$a); $a = 0; 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)
8.3.60.0100.01016.63
8.3.50.0040.01116.44
8.3.40.0070.00718.85
8.3.30.0030.01018.84
8.3.20.0040.00420.13
8.3.10.0080.00021.78
8.3.00.0080.00019.69
8.2.180.0100.01018.29
8.2.170.0110.00422.96
8.2.160.0070.00720.29
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00417.48
8.2.110.0090.00021.97
8.2.100.0080.00417.63
8.2.90.0080.00319.09
8.2.80.0040.00417.97
8.2.70.0060.00317.48
8.2.60.0040.00417.91
8.2.50.0040.00418.07
8.2.40.0090.00019.31
8.2.30.0000.00719.83
8.2.20.0040.00417.63
8.2.10.0000.00718.03
8.2.00.0040.00418.07
8.1.280.0180.00025.92
8.1.270.0000.00820.29
8.1.260.0080.00026.35
8.1.250.0090.00028.09
8.1.240.0030.00622.50
8.1.230.0060.00617.42
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0080.00317.35
8.1.190.0000.00817.23
8.1.180.0000.00718.10
8.1.170.0050.00318.67
8.1.160.0000.00721.85
8.1.150.0040.00418.82
8.1.140.0000.00817.38
8.1.130.0050.00317.54
8.1.120.0000.00717.39
8.1.110.0070.00017.35
8.1.100.0030.00317.32
8.1.90.0000.00717.38
8.1.80.0040.00417.43
8.1.70.0000.00717.36
8.1.60.0040.00417.57
8.1.50.0030.00517.42
8.1.40.0050.00317.48
8.1.30.0030.00617.49
8.1.20.0000.00717.66
8.1.10.0020.00517.56
8.1.00.0030.00517.45
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0070.00018.31
8.0.270.0070.00017.18
8.0.260.0000.00717.10
8.0.250.0000.00816.91
8.0.240.0040.00416.99
8.0.230.0040.00416.95
8.0.220.0000.00716.89
8.0.210.0070.00016.84
8.0.200.0000.00716.97
8.0.190.0070.00016.90
8.0.180.0000.00716.94
8.0.170.0040.00416.79
8.0.160.0000.00716.91
8.0.150.0000.00716.91
8.0.140.0040.00416.84
8.0.130.0070.00013.32
8.0.120.0040.00416.77
8.0.110.0080.00016.98
8.0.100.0060.00316.75
8.0.90.0040.00416.87
8.0.80.0090.00916.88
8.0.70.0000.00716.83
8.0.60.0000.00716.79
8.0.50.0040.00416.88
8.0.30.0080.01017.22
8.0.20.0110.01117.40
8.0.10.0040.00417.02
8.0.00.0090.01216.71
7.4.330.0050.00015.08
7.4.320.0030.00316.45
7.4.300.0000.00616.48
7.4.290.0050.00216.42
7.4.280.0080.00016.55
7.4.270.0000.01016.48
7.4.260.0070.00316.46
7.4.250.0040.00416.45
7.4.240.0000.00816.47
7.4.230.0030.00316.53
7.4.220.0060.01216.45
7.4.210.0110.00816.63
7.4.200.0000.00716.18
7.4.160.0060.00916.53
7.4.150.0160.00317.40
7.4.140.0090.01417.86
7.4.130.0160.00516.43
7.4.120.0120.00816.52
7.4.110.0030.01316.44
7.4.100.0130.00316.59
7.4.90.0180.00416.36
7.4.80.0000.01519.39
7.4.70.0060.01316.40
7.4.60.0100.00716.39
7.4.50.0080.00016.52
7.4.40.0000.01616.57
7.4.30.0090.01016.39
7.4.00.0060.01014.92
7.3.330.0080.00013.23
7.3.320.0030.00313.24
7.3.310.0000.00816.08
7.3.300.0030.00316.24
7.3.290.0070.01116.27
7.3.280.0090.00916.31
7.3.270.0080.00817.40
7.3.260.0210.00416.29
7.3.250.0050.01516.37
7.3.240.0070.01016.28
7.3.230.0060.01216.59
7.3.210.0110.00616.60
7.3.200.0120.00816.56
7.3.190.0030.01316.16
7.3.180.0070.00716.57
7.3.170.0120.00616.43
7.3.160.0130.00316.57
7.2.330.0120.01216.50
7.2.320.0030.01716.63
7.2.310.0040.01216.69
7.2.300.0090.00916.41
7.2.290.0100.01016.79
7.2.60.0030.01317.06
7.2.00.0030.01219.39
7.1.200.0000.00915.93
7.1.100.0000.01218.27
7.1.70.0080.00017.25
7.1.60.0070.01720.03
7.1.50.0230.00316.28
7.1.00.0070.07322.54
7.0.200.0050.00316.86
7.0.100.0130.04319.96
7.0.90.0170.04719.88
7.0.80.0170.07019.93
7.0.70.0100.07019.86
7.0.60.0070.03719.85
7.0.50.0000.04720.25
7.0.40.0030.07320.07
7.0.30.0070.06720.15
7.0.20.0000.05020.14
7.0.10.0100.07320.13
7.0.00.0070.05019.95
5.6.280.0000.07720.96
5.6.250.0170.06020.77
5.6.240.0000.04320.69
5.6.230.0030.09320.50
5.6.220.0030.05020.48
5.6.210.0170.06320.45
5.6.200.0000.05321.00
5.6.190.0070.08021.06
5.6.180.0070.05321.07
5.6.170.0030.04320.98
5.6.160.0000.09021.04
5.6.150.0030.06020.95
5.6.140.0030.06020.93
5.6.130.0030.09021.03
5.6.120.0100.07321.09
5.6.110.0030.05321.05
5.6.100.0000.06720.98
5.6.90.0100.08021.05
5.6.80.0130.05320.45
5.6.70.0070.05720.39
5.6.60.0100.05720.30
5.6.50.0030.06320.34
5.6.40.0100.04720.41
5.6.30.0000.08320.31
5.6.20.0200.03320.40
5.6.10.0030.05020.28
5.6.00.0070.04720.34
5.5.380.0130.07720.34
5.5.370.0070.03720.41
5.5.360.0070.03720.35
5.5.350.0100.07020.42
5.5.340.0100.07020.79
5.5.330.0030.07720.79
5.5.320.0000.06320.86
5.5.310.0000.06020.82
5.5.300.0070.04020.91
5.5.290.0130.07020.92
5.5.280.0130.07320.86
5.5.270.0070.05320.82
5.5.260.0100.04720.90
5.5.250.0230.06320.73
5.5.240.0030.05020.20
5.5.230.0100.07020.21
5.5.220.0070.07320.26
5.5.210.0170.06720.29
5.5.200.0070.07320.17
5.5.190.0030.05319.98
5.5.180.0070.06020.27
5.5.160.0030.05320.13
5.5.150.0170.06720.14
5.5.140.0070.05020.11
5.5.130.0030.05320.25
5.5.120.0030.08320.27
5.5.110.0030.08320.26
5.5.100.0200.06720.15
5.5.90.0030.08320.05
5.5.80.0100.06020.16
5.5.70.0030.08020.14
5.5.60.0030.04020.02
5.5.50.0070.07019.92
5.5.40.0070.07320.13
5.5.30.0000.05320.04
5.5.20.0030.04320.14
5.5.10.0070.05719.95
5.5.00.0100.07319.96
5.4.450.0070.07319.40
5.4.440.0070.04719.39
5.4.430.0030.05019.46
5.4.420.0030.04719.46
5.4.410.0070.04719.27
5.4.400.0070.04019.03
5.4.390.0000.05018.90
5.4.380.0030.07319.16
5.4.370.0070.05719.08
5.4.360.0100.07319.12
5.4.350.0170.06719.07
5.4.340.0070.07318.96
5.4.320.0070.08319.02
5.4.310.0170.05719.11
5.4.300.0030.05718.94
5.4.290.0070.04019.04
5.4.280.0100.07019.22
5.4.270.0070.04319.02
5.4.260.0100.07019.04
5.4.250.0100.06018.77
5.4.240.0100.07718.95
5.4.230.0070.04319.04
5.4.220.0070.07019.11
5.4.210.0100.06719.02
5.4.200.0030.04019.14
5.4.190.0130.07019.04
5.4.180.0070.07319.21
5.4.170.0000.04719.02
5.4.160.0170.06719.10
5.4.150.0130.07018.96
5.4.140.0070.03316.28
5.4.130.0030.07316.11
5.4.120.0030.07016.36
5.4.110.0030.07716.36
5.4.100.0130.07316.43
5.4.90.0070.06716.39
5.4.80.0100.03716.19
5.4.70.0100.04716.20
5.4.60.0070.06016.28
5.4.50.0130.07016.37
5.4.40.0130.05316.47
5.4.30.0030.07016.18
5.4.20.0130.07016.18
5.4.10.0000.07016.18
5.4.00.0100.06715.56

preferences:
51.02 ms | 400 KiB | 5 Q