3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 100; $b = 200; echo "$a, $b\n"; [ $b, $a ] = [ $a, $b ]; echo "$a, $b\n";

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)
8.3.60.0110.00716.60
8.3.50.0150.00318.39
8.3.40.0110.00419.23
8.3.30.0100.01019.04
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.180.0100.01025.92
8.2.170.0070.00718.91
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00819.97
8.2.110.0060.00320.51
8.2.100.0090.00317.78
8.2.90.0000.00817.63
8.2.80.0030.00518.86
8.2.70.0030.00617.63
8.2.60.0040.00417.63
8.2.50.0080.00017.98
8.2.40.0050.00320.01
8.2.30.0070.00018.02
8.2.20.0050.00320.46
8.2.10.0070.00018.02
8.2.00.0050.00219.27
8.1.280.0120.00325.92
8.1.270.0050.00323.99
8.1.260.0080.00026.35
8.1.250.0030.00728.09
8.1.240.0090.00023.92
8.1.230.0000.01122.10
8.1.220.0080.00017.78
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0090.00017.10
8.1.180.0040.00418.10
8.1.170.0000.00817.62
8.1.160.0040.00418.91
8.1.150.0080.00018.54
8.1.140.0060.00317.55
8.1.130.0000.00718.93
8.1.120.0030.00317.51
8.1.110.0040.00417.33
8.1.100.0070.00017.46
8.1.90.0040.00417.48
8.1.80.0030.00717.40
8.1.70.0040.00417.40
8.1.60.0000.00817.55
8.1.50.0060.00317.47
8.1.40.0000.00917.51
8.1.30.0150.00417.62
8.1.20.0060.00617.43
8.1.10.0200.00017.51
8.1.00.0200.00517.45
8.0.300.0070.00018.77
8.0.290.0060.00316.75
8.0.280.0030.00318.34
8.0.270.0000.01016.82
8.0.260.0030.00318.34
8.0.250.0060.00016.84
8.0.240.0000.00716.85
8.0.230.0070.00016.93
8.0.220.0030.00316.93
8.0.210.0070.00016.87
8.0.200.0060.00016.96
8.0.190.0040.00416.97
8.0.180.0040.00416.89
8.0.170.0180.00016.66
8.0.160.0150.00216.86
8.0.150.0090.00916.61
8.0.140.0140.00516.74
8.0.130.0180.00016.63
8.0.120.0080.00816.77
8.0.110.0200.00516.79
8.0.100.0260.00016.77
8.0.90.0150.00016.77
8.0.80.0050.00516.86
8.0.70.0000.00816.87
8.0.60.0000.01016.75
8.0.50.0200.00016.77
8.0.30.0120.00616.84
8.0.20.0070.01016.92
8.0.10.0150.00616.92
7.4.330.0040.00015.55
7.4.320.0030.00316.39
7.4.300.0060.00016.40
7.4.290.0040.00416.52
7.4.280.0140.00716.48
7.4.270.0160.00416.55
7.4.260.0040.01316.59
7.4.250.0140.00316.52
7.4.240.0070.00716.46
7.4.230.0120.00016.53
7.4.220.0130.00316.54
7.4.210.0050.01016.46
7.4.200.0160.00016.46
7.4.190.0120.00616.62
7.4.180.0040.00816.53
7.4.160.0040.00416.64
7.4.150.0100.00016.35
7.4.140.0080.00316.43
7.4.130.0080.00516.20
7.4.120.0090.00316.49
7.4.110.0050.00516.38
7.4.100.0030.00616.51
7.4.90.0100.00016.33
7.4.80.0080.00416.46
7.4.70.0090.00016.50
7.4.60.0050.00316.43
7.4.50.0000.00716.34
7.4.40.0000.00716.44
7.4.30.0040.00816.49
7.4.20.0150.00316.33
7.4.10.0110.00716.43
7.4.00.0140.00516.41

preferences:
56.03 ms | 400 KiB | 5 Q