3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0; $b = -0; echo $a; echo $b;

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)
8.3.60.0160.00316.50
8.3.50.0100.00316.21
8.3.40.0060.01018.66
8.3.30.0040.01118.55
8.3.20.0040.00418.85
8.3.10.0040.00421.84
8.3.00.0040.00419.23
8.2.180.0090.00916.32
8.2.170.0040.01122.96
8.2.160.0090.00620.39
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0030.00522.29
8.2.120.0090.00026.35
8.2.110.0030.00720.45
8.2.100.0070.00417.91
8.2.90.0030.00619.23
8.2.80.0040.00418.04
8.2.70.0080.00017.50
8.2.60.0070.00018.04
8.2.50.0050.00318.10
8.2.40.0040.00422.33
8.2.30.0000.00821.03
8.2.20.0040.00418.11
8.2.10.0040.00418.08
8.2.00.0000.00717.91
8.1.280.0100.00725.92
8.1.270.0040.00423.79
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0070.00420.85
8.1.230.0070.00419.16
8.1.220.0060.00317.74
8.1.210.0000.00918.77
8.1.200.0000.00917.23
8.1.190.0050.00317.21
8.1.180.0060.00318.10
8.1.170.0050.00318.52
8.1.160.0040.00418.93
8.1.150.0040.00420.72
8.1.140.0070.00019.52
8.1.130.0090.00018.78
8.1.120.0000.00717.26
8.1.110.0050.00517.39
8.1.100.0070.00017.38
8.1.90.0020.00517.25
8.1.80.0030.00617.36
8.1.70.0070.00017.42
8.1.60.0040.00417.56
8.1.50.0040.00417.43
8.1.40.0070.00417.44
8.1.30.0070.00017.59
8.1.20.0050.00317.59
8.1.10.0040.00417.48
8.1.00.0040.00417.43
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0070.00018.39
8.0.270.0030.00617.30
8.0.260.0070.00016.81
8.0.250.0030.00316.86
8.0.240.0080.00016.82
8.0.230.0030.00316.86
8.0.220.0030.00316.80
8.0.210.0030.00316.80
8.0.200.0030.00316.76
8.0.190.0060.00316.89
8.0.180.0040.00416.91
8.0.170.0030.00616.79
8.0.160.0080.00016.77
8.0.150.0040.00716.76
8.0.140.0060.00316.78
8.0.130.0030.00313.31
8.0.120.0000.00816.83
8.0.110.0000.00716.64
8.0.100.0050.00316.77
8.0.90.0000.00716.84
8.0.80.0030.01416.77
8.0.70.0040.00416.84
8.0.60.0050.00316.76
8.0.50.0070.00016.74
8.0.30.0120.00616.85
8.0.20.0140.00517.40
8.0.10.0050.00216.95
8.0.00.0070.01016.67
7.4.330.0000.00515.55
7.4.320.0060.00016.39
7.4.300.0000.00616.47
7.4.290.0000.00916.52
7.4.280.0020.00516.53
7.4.270.0070.00016.56
7.4.260.0050.00013.22
7.4.250.0030.00316.44
7.4.240.0000.00716.45
7.4.230.0000.00716.55
7.4.220.0130.00616.55
7.4.210.0050.01016.56
7.4.200.0000.00716.42
7.4.160.0050.01016.59
7.4.150.0180.00017.40
7.4.140.0100.01317.86
7.4.130.0110.00716.48
7.4.120.0100.00916.45
7.4.110.0120.00616.45
7.4.100.0120.00616.41
7.4.90.0070.01116.58
7.4.80.0120.00419.39
7.4.70.0070.01016.25
7.4.60.0070.01016.41
7.4.50.0050.00516.14
7.4.40.0090.01216.53
7.4.30.0090.00616.41
7.4.00.0070.00714.82
7.3.330.0080.00013.07
7.3.320.0020.00213.03
7.3.310.0070.00016.25
7.3.300.0030.00316.08
7.3.290.0060.00016.21
7.3.280.0080.00916.19
7.3.270.0110.00617.40
7.3.260.0080.01316.23
7.3.250.0100.01016.23
7.3.240.0080.01016.45
7.3.230.0100.00616.19
7.3.210.0120.00316.16
7.3.200.0100.00716.25
7.3.190.0080.00816.30
7.3.180.0110.00716.18
7.3.170.0070.01016.34
7.3.160.0090.00616.50
7.2.330.0130.00316.39
7.2.320.0080.00816.28
7.2.310.0130.00716.52
7.2.300.0110.00516.57
7.2.290.0060.01116.57
7.2.80.0030.00916.65
7.2.60.0090.00616.50
7.2.00.0080.00319.34
7.1.200.0070.00015.47
7.1.100.0030.00918.11
7.1.70.0050.00317.00
7.1.60.0200.01333.30
7.1.50.1330.01732.89
7.1.40.1000.02732.36
7.1.30.0230.01332.46
7.1.20.1400.01332.71
7.1.10.1230.01314.65
7.1.00.1170.00714.88
7.0.200.1170.01014.90
7.0.190.0630.01314.84
7.0.180.0870.00714.26
7.0.170.1270.01714.39
7.0.160.1000.00714.23
7.0.150.1400.01714.46
7.0.140.0930.01014.43
7.0.130.1100.00714.63
7.0.120.1130.00714.52
7.0.110.1300.00714.29
7.0.100.1270.01314.40
7.0.90.1430.01014.48
7.0.80.1170.01014.38
7.0.70.1130.01314.43
7.0.60.1300.01014.16
7.0.50.1330.01014.43
7.0.40.2270.01014.41
7.0.30.1970.01314.45
7.0.20.1470.01014.47
7.0.10.1700.00314.51
7.0.00.1530.00314.50

preferences:
42.25 ms | 400 KiB | 5 Q