3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = '$test = null'; if(preg_match($var,'/\s{0,2}=\s{0,2}null/gi')) echo "MATCH";

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)
8.3.60.0140.00716.25
8.3.50.0110.00922.11
8.3.40.0110.00418.66
8.3.30.0040.01118.54
8.3.20.0000.00820.02
8.3.10.0040.00421.74
8.3.00.0000.00820.83
8.2.180.0140.00318.26
8.2.170.0100.01022.96
8.2.160.0120.00619.04
8.2.150.0000.00724.18
8.2.140.0070.00024.66
8.2.130.0040.00419.36
8.2.120.0040.00426.35
8.2.110.0030.00620.94
8.2.100.0000.01117.90
8.2.90.0000.00818.99
8.2.80.0040.00417.97
8.2.70.0060.00317.24
8.2.60.0000.00817.55
8.2.50.0030.00518.10
8.2.40.0000.00920.34
8.2.30.0030.00620.50
8.2.20.0040.00417.62
8.2.10.0000.00717.87
8.2.00.0070.00018.10
8.1.280.0070.00725.92
8.1.270.0000.00823.79
8.1.260.0040.00728.09
8.1.250.0050.00328.09
8.1.240.0080.00420.46
8.1.230.0030.00919.16
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0000.00817.00
8.1.180.0040.00418.10
8.1.170.0030.00618.50
8.1.160.0000.00720.93
8.1.150.0040.00418.74
8.1.140.0070.00019.47
8.1.130.0070.00017.60
8.1.120.0020.00517.38
8.1.110.0050.00317.43
8.1.100.0050.00217.40
8.1.90.0040.00417.29
8.1.80.0040.00417.41
8.1.70.0000.00717.25
8.1.60.0040.00417.50
8.1.50.0000.00917.45
8.1.40.0000.00817.33
8.1.30.0050.00317.57
8.1.20.0040.00417.41
8.1.10.0000.00817.29
8.1.00.0000.00817.39
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0050.00218.37
8.0.270.0000.00717.19
8.0.260.0030.00317.14
8.0.250.0000.00716.97
8.0.240.0070.00016.86
8.0.230.0000.00716.91
8.0.220.0050.00316.89
8.0.210.0000.00716.90
8.0.200.0070.00016.91
8.0.190.0070.00016.84
8.0.180.0000.00716.79
8.0.170.0000.00816.96
8.0.160.0030.00316.96
8.0.150.0030.00316.73
8.0.140.0070.00016.80
8.0.130.0050.00013.20
8.0.120.0000.01016.85
8.0.110.0000.00816.76
8.0.100.0040.00416.77
8.0.90.0020.00516.73
8.0.80.0150.00016.88
8.0.70.0040.00416.91
8.0.60.0040.00416.84
8.0.50.0000.00716.95
8.0.30.0120.00416.81
8.0.20.0100.00917.40
8.0.10.0040.00417.05
8.0.00.0180.00716.75
7.4.330.0050.00015.08
7.4.320.0030.00316.52
7.4.300.0030.00316.42
7.4.290.0000.00716.46
7.4.280.0040.00416.34
7.4.270.0000.00716.46
7.4.260.0070.00016.50
7.4.250.0070.00016.35
7.4.240.0080.00016.45
7.4.230.0030.00316.28
7.4.220.0080.01216.54
7.4.210.0060.00916.54
7.4.200.0070.00016.55
7.4.160.0140.00716.48
7.4.150.0170.00017.40
7.4.140.0090.01317.86
7.4.130.0090.00716.44
7.4.120.0110.00716.40
7.4.110.0080.00816.36
7.4.100.0180.00416.36
7.4.90.0130.00616.47
7.4.80.0090.00919.39
7.4.70.0140.00316.48
7.4.60.0100.00616.50
7.4.50.0040.01116.35
7.4.40.0130.00316.48
7.4.30.0080.00816.34
7.4.00.0030.01015.00
7.3.330.0000.00513.11
7.3.320.0030.00313.09
7.3.310.0070.00016.34
7.3.300.0030.00316.17
7.3.290.0090.00716.20
7.3.280.0110.00416.24
7.3.270.0060.01217.40
7.3.260.0090.00916.17
7.3.250.0110.00716.21
7.3.240.0110.00916.30
7.3.230.0030.01316.39
7.3.210.0040.01816.48
7.3.200.0070.00716.24
7.3.190.0160.00016.18
7.3.180.0100.00616.41
7.3.170.0110.00616.31
7.3.160.0100.00616.23
7.2.330.0150.00316.46
7.2.320.0060.01216.41
7.2.310.0090.01216.63
7.2.300.0100.01016.55
7.2.290.0070.01016.30
7.2.00.0000.01118.90
7.1.100.0030.00517.88
7.1.70.0080.00616.82
7.1.60.0060.01919.48
7.1.00.0030.07722.33
7.0.200.0110.00416.65
7.0.60.0000.03321.83
7.0.50.0070.07717.89
7.0.40.0330.04320.00
7.0.30.0270.04320.27
7.0.20.0100.06320.22
7.0.10.0200.06020.22
7.0.00.0100.06320.23
5.6.280.0070.06721.14
5.6.210.0070.08320.56
5.6.200.0000.06318.11
5.6.190.0470.06020.58
5.6.180.0270.04720.55
5.6.170.0100.06020.60
5.6.160.0130.06020.77
5.6.150.0200.05320.47
5.6.140.0200.05720.41
5.6.130.0130.06320.52
5.6.120.0170.05720.30
5.6.110.0770.05320.40
5.6.100.0570.06020.32
5.6.90.0730.07020.28
5.6.80.0570.05719.82
5.6.70.0330.05719.79
5.6.60.0770.04019.68
5.6.50.0830.06319.70
5.6.40.0030.06319.70
5.6.30.0530.06019.50
5.6.20.0700.05019.80
5.6.10.0630.05719.68
5.6.00.0600.06019.65
5.5.350.0200.07720.37
5.5.340.0030.08317.92
5.5.330.0430.06720.37
5.5.320.0230.04720.38
5.5.310.0200.05720.42
5.5.300.0130.06320.21
5.5.290.0170.05320.13
5.5.280.0130.05720.21
5.5.270.0600.06020.20
5.5.260.0530.06320.05
5.5.250.0670.08319.90
5.5.240.0400.07019.50
5.5.230.0600.06319.51
5.5.220.0730.05019.62
5.5.210.0630.05719.58
5.5.200.0500.06019.55
5.5.190.0700.05319.29
5.5.180.0630.06019.59
5.5.160.0530.06019.56
5.5.150.0670.05719.47
5.5.140.0630.05319.58
5.5.130.0630.05019.47
5.5.120.0700.04319.44
5.5.110.0630.05719.48
5.5.100.0470.05019.39
5.5.90.0370.06319.34
5.5.80.0530.05719.48
5.5.70.0670.05019.29
5.5.60.0570.05319.33
5.5.50.0600.06019.34
5.5.40.0600.06019.46
5.5.30.0530.06319.50
5.5.20.0500.05319.40
5.5.10.0500.05719.52
5.5.00.0700.05319.27

preferences:
55.11 ms | 401 KiB | 5 Q