3v4l.org

run code in 300+ PHP versions simultaneously
<?php $regex = '/(a[i1l]{2}a|an+u+[s5]|ar+[s5]+[e3]|a[s5]{2,}|ax+w+[o0]+u+n+d|ba+[s5]+t+a+r+d|b[e3]+a+n+[e3]+r|b[i1l]+t+c+h|b[i1l]+[o0]+d+y|b[i1l]+[o0]+w|b[o0]+[l1]{2,}[o0]+[ckx]|b[o0]+n+[e3]|br+(a|[e3]+a+[s5]+t)|bu+g+[e3]+r|bu+t+t|ca+m+[e3]+[i1l]+t+[o0]|ch+[i1l]+n+[ck]|ch+[o0](a+d|d+[e3])|(co|d[iy])[ck]|c[i1l]{2,}t|co+ch|c[o0]{2,}(n|t+[e3i1l])|cr+a+c*k|cr+a+p|cu+m|[ck]un(n[i1l]|t)|d[i1l]+d+[o0]|do+[o0u]+c+h|fa+g|fa+n+n[iy1]|f[e3][i1l]{2,}a+t+[e3]|fu[ck]|ga+y|g[o0]{2,}(ch?|k)|gr+[i1l]+n+g+[o0]|ha+n+d+([i1ly]|j+[o0]+b)|h[i1l]+n+d|h[o0]([e3]|[i1l][e3])|h[o0]+n+k+[e3y]|hu+m+p|j[e3]+(w|r+k)|[gj][i1l]z|ky+k+[e3]|l[e3]+([s5]+b|z)|l[i1l]c+k|mu(ff|[s5]+[i1l]{2,}m)|mu+n+c+h+[e3]|mu+n+g+[i1l]|na+z+[i1l]|n[i1l]+gg|n[ou]+b|pa+k+[i1l]|p[e3]+c+k+[e3]+r|p[i1l]+k+[e3]+y|p[i1l]+[s5]{2,}|p[o0]+r+n|p[o0]{2,}n|pu+s|pu+t+[ao0]|qu[e3]{2,}[fr]|r[i1l]+m+j+[o0]+b|sc+a+t|sh[i1l]+t|sl+a+g|s[i1l]+u+t|st+a+b|su+c?k|ta+r+d|t[i1]t|t[1l]t[st]|tw+a+t|va+g|wa+n+[gk]|w[e3]t+ba[ck]|wh[o0]+r)/i'; $word = 'blah'; if (preg_match($regex, $word)) { echo "fuck"; } else { echo "No swear"; }

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)
8.3.60.0040.01218.56
8.3.50.0060.01321.20
8.3.40.0040.01119.15
8.3.30.0070.00720.52
8.3.20.0080.00020.46
8.3.10.0000.00822.18
8.3.00.0040.00422.75
8.2.180.0080.01118.66
8.2.170.0110.00422.96
8.2.160.0150.00420.58
8.2.150.0090.00024.18
8.2.140.0100.01024.66
8.2.130.0120.00326.16
8.2.120.0080.00019.91
8.2.110.0070.00320.62
8.2.100.0120.00018.28
8.2.90.0090.00019.42
8.2.80.0080.00019.53
8.2.70.0080.00017.61
8.2.60.0060.00318.18
8.2.50.0030.00618.07
8.2.40.0040.00418.47
8.2.30.0040.00418.16
8.2.20.0060.00317.93
8.2.10.0080.00018.09
8.2.00.0050.00317.90
8.1.280.0110.01125.92
8.1.270.0120.00320.77
8.1.260.0080.00026.35
8.1.250.0030.00628.09
8.1.240.0070.00322.23
8.1.230.0060.00619.27
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0000.00917.73
8.1.190.0030.00617.65
8.1.180.0090.00019.38
8.1.170.0060.00318.83
8.1.160.0050.00222.39
8.1.150.0000.00818.99
8.1.140.0040.00417.70
8.1.130.0040.00417.96
8.1.120.0040.00417.71
8.1.110.0000.00817.66
8.1.100.0000.00817.64
8.1.90.0040.00417.65
8.1.80.0000.00817.67
8.1.70.0030.00617.70
8.1.60.0030.00717.85
8.1.50.0000.00817.82
8.1.40.0000.00817.84
8.1.30.0040.00417.93
8.1.20.0000.00817.83
8.1.10.0000.00817.85
8.1.00.0000.00817.77
8.0.300.0040.00418.77
8.0.290.0040.00417.43
8.0.280.0000.00718.65
8.0.270.0000.00717.47
8.0.260.0000.00717.14
8.0.250.0040.00317.14
8.0.240.0040.00417.20
8.0.230.0040.00417.26
8.0.220.0030.00417.25
8.0.210.0040.00417.16
8.0.200.0070.00017.24
8.0.190.0050.00317.09
8.0.180.0060.00317.22
8.0.170.0000.00717.11
8.0.160.0060.00317.07
8.0.150.0000.00917.11
8.0.140.0040.00417.15
8.0.130.0030.00313.66
8.0.120.0040.00417.11
8.0.110.0040.00417.13
8.0.100.0030.00517.24
8.0.90.0080.00017.28
8.0.80.0030.01317.26
8.0.70.0030.00617.04
8.0.60.0080.00017.02
8.0.50.0030.00517.29
8.0.30.0110.01017.21
8.0.20.0140.00617.41
8.0.10.0040.00417.34
8.0.00.0100.00817.05
7.4.330.0000.00615.00
7.4.320.0000.00716.88
7.4.300.0030.00317.04
7.4.290.0030.00517.00
7.4.280.0030.00316.90
7.4.270.0070.00017.01
7.4.260.0110.00017.02
7.4.250.0040.00417.01
7.4.240.0040.00416.95
7.4.230.0070.00016.82
7.4.220.0120.00616.96
7.4.210.0060.01016.89
7.4.200.0000.00717.08
7.4.190.0040.00416.99
7.4.160.0170.00016.69
7.4.150.0170.00017.40
7.4.140.0120.00917.86
7.4.130.0110.00816.80
7.4.120.0040.01316.90
7.4.110.0100.00716.91
7.4.100.0090.01216.94
7.4.90.0120.00616.89
7.4.80.0070.01019.39
7.4.70.0070.01016.77
7.4.60.0140.00416.77
7.4.50.0000.00516.98
7.4.40.0050.01022.77
7.4.30.0060.01516.86
7.4.00.0050.01215.36
7.3.330.0050.00013.27
7.3.320.0000.00513.15
7.3.310.0000.00716.52
7.3.300.0040.00416.37
7.3.290.0060.00916.47
7.3.280.0060.01116.45
7.3.270.0040.01517.40
7.3.260.0130.01016.43
7.3.250.0120.01016.76
7.3.240.0100.00716.77
7.3.230.0140.00316.76
7.3.210.0130.01316.40
7.3.200.0090.01219.39
7.3.190.0130.01016.56
7.3.180.0030.01316.71
7.3.170.0100.01016.70
7.3.160.0000.02116.54
7.3.120.0070.01015.30
7.3.110.0000.01415.32
7.3.100.0070.00715.07
7.3.90.0070.01114.90
7.3.80.0060.01014.95
7.3.70.0070.00414.95
7.3.60.0110.00415.11
7.3.50.0030.01014.89
7.3.40.0030.01015.11
7.3.30.0090.00615.20
7.3.20.0030.01017.06
7.3.10.0100.00716.85
7.3.00.0070.00716.94
7.2.330.0100.01016.88
7.2.320.0090.01216.68
7.2.310.0090.00916.98
7.2.300.0130.00616.83
7.2.290.0130.01316.83
7.2.250.0100.00715.29
7.2.240.0000.02115.34
7.2.230.0070.00715.22
7.2.220.0070.00715.30
7.2.210.0000.01515.45
7.2.200.0070.00715.11
7.2.190.0070.01115.07
7.2.180.0070.01015.14
7.2.170.0060.01015.33
7.2.00.0000.01419.82
7.1.330.0100.00715.88
7.1.320.0070.01116.10
7.1.310.0090.00316.19
7.1.300.0110.00416.03
7.1.290.0070.00715.97
7.1.280.0060.00915.99
7.1.270.0100.00715.81
7.1.260.0040.01116.20
7.1.200.0030.01215.79
7.1.70.0030.01017.33
7.1.60.0000.01217.64
7.1.50.0140.01017.38
7.1.00.0070.06322.70
7.0.200.0060.01216.85
7.0.140.0030.07722.30
7.0.60.0070.07719.98
7.0.50.0000.06718.07
7.0.40.0070.04020.11
7.0.30.0270.04320.25
7.0.20.0230.06320.42
7.0.10.0370.03320.25
7.0.00.0070.03720.07
5.6.280.0000.07320.86
5.6.210.0170.06020.52
5.6.200.0070.08718.27
5.6.190.0170.04320.57
5.6.180.3200.03320.41
5.6.170.0230.08720.32
5.6.160.0030.04320.33
5.6.150.0070.03718.20
5.6.140.0100.04318.15
5.6.130.0000.05018.10
5.6.120.0100.08020.99
5.6.110.0200.07320.97
5.6.100.0030.08721.03
5.6.90.0070.08321.02
5.6.80.0070.05020.40
5.6.70.0100.04020.37
5.5.350.0130.07720.38
5.5.340.0130.07718.02
5.5.330.0170.07320.13
5.5.320.0200.07020.25
5.5.310.0300.08020.21
5.5.300.0070.03718.02
5.5.290.0100.08017.98
5.5.280.0100.07320.68
5.5.270.0030.04320.73
5.5.260.0130.04320.95
5.5.250.0000.06720.61
5.5.240.0070.07320.04
5.4.450.0770.06719.50
5.4.440.0700.06319.59
5.4.430.0970.06019.10
5.4.420.0570.05319.13
5.4.410.0800.05719.39
5.4.400.0700.06318.84
5.4.390.1030.06318.67
5.4.380.0200.05718.54
5.4.370.0100.05718.72
5.4.360.0170.04718.66
5.4.350.0070.03611.97
5.4.340.0010.04211.97
5.4.320.0060.03812.46
5.4.310.0040.04712.46
5.4.300.0040.03812.46
5.4.290.0040.04012.46
5.4.280.0080.03512.36
5.4.270.0070.04512.36
5.4.260.0100.04012.36
5.4.250.0100.05018.89
5.4.240.0130.05718.89
5.4.230.0130.06718.66
5.4.220.0170.04318.70
5.4.210.0100.05018.87
5.4.200.0070.05318.82
5.4.190.0130.05318.82
5.4.180.0000.05718.68
5.4.170.0070.05318.86
5.4.160.0030.05718.97
5.4.150.0100.05018.93
5.4.140.0030.05016.50
5.4.130.0000.06016.38
5.4.120.0030.05316.42
5.4.110.0030.05316.42
5.4.100.0030.05016.28
5.4.90.0000.05316.28
5.4.80.0070.04716.46
5.4.70.0070.05016.26
5.4.60.0170.05016.31
5.4.50.0030.05016.46
5.4.40.0070.04716.37
5.4.30.0000.05316.20
5.4.20.0070.05016.45
5.4.10.0070.06316.37
5.4.00.0070.06315.63
5.3.290.0090.04412.80
5.3.280.0100.04714.59
5.3.270.0000.06714.52
5.3.260.0100.04714.63
5.3.250.0070.05314.37
5.3.240.0030.07014.51
5.3.230.0030.05314.52
5.3.220.0070.05014.58
5.3.210.0070.05714.59
5.3.200.0130.04014.58
5.3.190.0070.05014.48
5.3.180.0070.04714.45
5.3.170.0100.05714.48
5.3.160.0170.04014.65
5.3.150.0070.07714.58
5.3.140.0030.05014.71
5.3.130.0070.08014.70
5.3.120.0100.05314.32
5.3.110.0130.05014.41
5.3.100.0070.07314.13
5.3.90.0070.05013.90
5.3.80.0030.05013.86
5.3.70.0170.05013.86
5.3.60.0070.04713.99
5.3.50.0100.04313.99
5.3.40.0030.05713.89
5.3.30.0170.05713.80
5.3.20.0070.04713.70
5.3.10.0170.03713.48
5.3.00.0030.05713.65
5.2.170.0070.03710.90
5.2.160.0030.04011.15
5.2.150.0070.04011.16
5.2.140.0070.04011.02
5.2.130.0070.05011.11
5.2.120.0030.04311.12
5.2.110.0030.04011.11
5.2.100.0000.04310.98
5.2.90.0030.04011.11
5.2.80.0000.04311.02
5.2.70.0070.04011.02
5.2.60.0030.04311.17
5.2.50.0100.04311.13
5.2.40.0000.04711.03
5.2.30.0130.03310.89
5.2.20.0000.04310.89
5.2.10.0000.04311.07
5.2.00.0000.04310.70
5.1.60.0070.0339.88
5.1.50.0030.03310.04
5.1.40.0000.0409.91
5.1.30.0100.03010.39
5.1.20.0030.03710.41
5.1.10.0130.04310.15
5.1.00.0030.05310.09
5.0.50.0070.0378.43
5.0.40.0000.0278.29
5.0.30.0000.0538.13
5.0.20.0030.0238.28
5.0.10.0070.0238.36
5.0.00.0000.0408.21
4.4.90.0030.0237.36
4.4.80.0100.0137.36
4.4.70.0000.0237.36
4.4.60.0000.0237.36
4.4.50.0030.0207.36
4.4.40.0000.0377.36
4.4.30.0030.0177.36
4.4.20.0000.0207.36
4.4.10.0070.0277.36
4.4.00.0000.0377.36
4.3.110.0000.0237.36
4.3.100.0000.0207.36
4.3.90.0070.0137.36
4.3.80.0030.0307.36
4.3.70.0070.0177.36
4.3.60.0030.0177.36
4.3.50.0000.0237.36
4.3.40.0000.0337.36
4.3.30.0000.0237.36
4.3.20.0000.0237.36
4.3.10.0030.0207.36
4.3.00.0000.0236.81

preferences:
38.67 ms | 401 KiB | 5 Q