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 "Swear!"; } 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)
8.3.70.0060.00918.43
8.3.60.0090.00918.55
8.3.50.0080.01221.27
8.3.40.0110.00419.13
8.3.30.0070.00720.57
8.3.20.0000.00820.32
8.3.10.0000.00822.38
8.3.00.0050.00322.71
8.2.190.0100.01016.75
8.2.180.0190.00316.75
8.2.170.0090.00922.96
8.2.160.0110.00720.34
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0040.00420.07
8.2.110.0060.00320.72
8.2.100.0080.00418.28
8.2.90.0000.00819.65
8.2.80.0050.00319.65
8.2.70.0090.00017.88
8.2.60.0030.00518.28
8.2.50.0060.00318.07
8.2.40.0030.00618.47
8.2.30.0030.00618.20
8.2.20.0060.00317.98
8.2.10.0030.00518.02
8.2.00.0080.00018.12
8.1.280.0070.00725.92
8.1.270.0120.00320.62
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0090.00024.22
8.1.230.0090.00319.42
8.1.220.0040.00417.98
8.1.210.0080.00018.77
8.1.200.0030.00617.73
8.1.190.0050.00317.77
8.1.180.0060.00319.38
8.1.170.0000.00818.76
8.1.160.0030.00522.30
8.1.150.0030.00618.98
8.1.140.0000.00817.81
8.1.130.0030.00318.00
8.1.120.0030.00517.62
8.1.110.0060.00317.75
8.1.100.0050.00317.62
8.1.90.0040.00417.63
8.1.80.0040.00417.72
8.1.70.0000.00817.76
8.1.60.0060.00317.81
8.1.50.0080.00017.82
8.1.40.0000.00817.83
8.1.30.0040.00417.83
8.1.20.0030.00617.84
8.1.10.0060.00317.82
8.1.00.0000.00817.79
8.0.300.0000.00818.77
8.0.290.0080.00017.17
8.0.280.0050.00218.58
8.0.270.0040.00417.47
8.0.260.0000.00718.59
8.0.250.0040.00417.22
8.0.240.0080.00017.19
8.0.230.0040.00417.20
8.0.220.0050.00317.24
8.0.210.0000.00717.13
8.0.200.0050.00317.19
8.0.190.0040.00417.09
8.0.180.0000.00917.14
8.0.170.0040.00417.21
8.0.160.0000.00717.12
8.0.150.0000.00717.05
8.0.140.0040.00416.99
8.0.130.0070.00013.69
8.0.120.0060.00317.21
8.0.110.0000.00817.12
8.0.100.0040.00417.07
8.0.90.0000.00717.02
8.0.80.0120.00617.26
8.0.70.0000.00717.22
8.0.60.0040.00417.04
8.0.50.0030.00517.24
8.0.30.0130.01017.38
8.0.20.0080.01117.40
8.0.10.0000.00817.43
8.0.00.0080.01117.10
7.4.330.0000.00515.00
7.4.320.0000.00816.91
7.4.300.0000.00617.03
7.4.290.0000.00716.89
7.4.280.0050.00216.90
7.4.270.0000.00716.98
7.4.260.0080.00317.02
7.4.250.0050.00316.96
7.4.240.0000.00716.94
7.4.230.0000.00717.10
7.4.220.0090.01516.84
7.4.210.0080.00616.98
7.4.200.0070.00016.79
7.4.190.0040.00416.98
7.4.160.0100.00616.76
7.4.150.0090.00917.40
7.4.140.0080.01417.86
7.4.130.0120.01216.83
7.4.120.0100.00616.79
7.4.110.0120.00616.88
7.4.100.0110.00716.80
7.4.90.0040.01416.70
7.4.80.0040.01319.39
7.4.70.0170.00016.91
7.4.60.0070.01016.87
7.4.50.0050.00016.63
7.4.40.0030.01322.77
7.4.30.0150.00616.86
7.4.00.0110.00315.17
7.3.330.0030.00313.11
7.3.320.0000.00513.23
7.3.310.0000.00816.37
7.3.300.0080.00016.49
7.3.290.0110.00316.58
7.3.280.0080.00816.43
7.3.270.0150.00317.40
7.3.260.0030.02116.91
7.3.250.0110.00716.68
7.3.240.0080.01116.59
7.3.230.0130.00416.50
7.3.210.0160.00616.52
7.3.200.0060.01219.39
7.3.190.0030.01716.59
7.3.180.0060.01216.82
7.3.170.0170.00016.54
7.3.160.0090.00616.66
7.3.120.0030.01214.77
7.3.110.0060.01215.26
7.3.100.0060.01215.24
7.3.90.0090.00614.86
7.3.80.0030.01314.65
7.3.70.0080.00514.84
7.3.60.0030.00915.15
7.3.50.0120.00015.15
7.3.40.0090.00615.14
7.3.30.0060.01214.86
7.3.20.0040.01116.91
7.3.10.0000.01516.87
7.3.00.0030.01016.85
7.2.330.0150.00416.73
7.2.320.0100.01316.88
7.2.310.0040.01816.97
7.2.300.0070.01117.04
7.2.290.0060.02016.68
7.2.250.0070.01015.26
7.2.240.0070.01015.28
7.2.230.0030.01315.11
7.2.220.0120.00315.35
7.2.210.0090.00615.25
7.2.200.0100.00715.41
7.2.190.0100.00715.27
7.2.180.0030.01315.31
7.2.170.0030.01115.40
7.1.330.0070.00715.96
7.1.320.0120.00316.13
7.1.310.0070.00715.87
7.1.300.0090.00615.87
7.1.290.0030.01016.09
7.1.280.0000.01516.09
7.1.270.0040.00715.79
7.1.260.0070.00715.83
7.1.70.0220.00717.48
7.1.60.0130.01319.40
7.1.50.0060.00617.25
7.1.00.0030.05722.64
7.0.200.0000.00817.04
7.0.140.0070.09322.32
7.0.60.0070.04320.24
7.0.50.0070.06718.08
7.0.40.0100.09020.17
7.0.30.0300.07320.17
7.0.20.0230.09020.27
7.0.10.0170.04320.29
7.0.00.0070.04020.24
5.6.280.0000.07721.15
5.6.210.0000.06720.52
5.6.200.0030.04318.17
5.6.190.0030.04720.35
5.6.180.3930.04720.35
5.6.170.0370.07720.48
5.6.160.0000.08020.54
5.6.150.0100.04318.13
5.6.140.0100.07718.21
5.6.130.0070.07018.21
5.6.120.0170.07320.98
5.6.110.0030.08720.96
5.6.100.0070.08020.99
5.6.90.0070.03721.01
5.6.80.0070.08320.40
5.6.70.0170.07320.36
5.5.350.0170.07720.30
5.5.340.0030.04017.91
5.5.330.0030.04320.07
5.5.320.0170.05020.22
5.5.310.0330.05720.41
5.5.300.0130.07317.92
5.5.290.0070.07018.01
5.5.280.0030.07020.87
5.5.270.0100.06020.93
5.5.260.0000.08320.86
5.5.250.0070.08720.61
5.5.240.0030.08020.27
5.4.450.2800.04719.42
5.4.440.2770.03319.11
5.4.430.2570.04319.46
5.4.420.2630.03719.57
5.4.410.0070.07719.36
5.4.400.0070.04018.92
5.4.390.0300.04019.08
5.4.380.2600.04319.09
5.4.370.2300.03319.18
5.4.360.2430.04019.17
5.4.350.2800.03719.06
5.4.340.2670.04719.16
5.4.320.2770.03719.09
5.4.310.0200.03719.11
5.4.300.0170.03719.13
5.4.290.0230.03018.92
5.4.280.0100.05719.18
5.4.270.0130.04019.08
5.4.260.0270.03019.13
5.4.250.0200.03318.77
5.4.240.0100.03319.23
5.4.230.0130.04019.06
5.4.220.0100.04318.91
5.4.210.0200.03319.08
5.4.200.0270.02718.77
5.4.190.0100.04319.15
5.4.180.0200.04018.88
5.4.170.0170.04019.15
5.4.160.0200.03318.79
5.4.150.0170.03719.12
5.4.140.0200.03016.18
5.4.130.0230.03716.21
5.4.120.0230.03316.26
5.4.110.0170.03716.43
5.4.100.0200.03016.38
5.4.90.0130.04716.21
5.4.80.0170.03316.48
5.4.70.0230.03016.38
5.4.60.0100.04016.19
5.4.50.0130.04316.45
5.4.40.0170.03716.16
5.4.30.0130.03716.20
5.4.20.0170.04316.36
5.4.10.0100.04016.22
5.4.00.0130.04715.76
5.3.290.0130.04014.51
5.3.280.0270.03014.64
5.3.270.0200.03314.66
5.3.260.0200.03314.46
5.3.250.0200.03314.45
5.3.240.0200.03314.45
5.3.230.0100.04314.45
5.3.220.0100.04314.66
5.3.210.0130.04014.52
5.3.200.0130.03014.43
5.3.190.0100.04314.41
5.3.180.0130.04014.43
5.3.170.0170.03314.52
5.3.160.0130.04714.41
5.3.150.0170.03714.51
5.3.140.0130.04314.57
5.3.130.0130.04014.41
5.3.120.0200.03314.39
5.3.110.0270.03314.38
5.3.100.0170.03713.98
5.3.90.0130.03713.97
5.3.80.0100.04013.88
5.3.70.0130.04013.80
5.3.60.0070.04313.86
5.3.50.0100.04313.97
5.3.40.0230.03013.90
5.3.30.0170.03313.76
5.3.20.0270.03313.61
5.3.10.0200.04013.49
5.3.00.0200.04013.71
5.2.170.0130.03311.20
5.2.160.0170.02310.99
5.2.150.0170.02711.25
5.2.140.0130.03011.22
5.2.130.0100.03011.16
5.2.120.0100.03010.92
5.2.110.0170.02711.04
5.2.100.0170.02711.02
5.2.90.0100.03310.95
5.2.80.0070.03311.11
5.2.70.0100.03311.04
5.2.60.0130.02710.99
5.2.50.0170.03711.18
5.2.40.0170.02311.15
5.2.30.0130.02710.80
5.2.20.0100.03310.87
5.2.10.0170.02310.75
5.2.00.0130.02710.83
5.1.60.0070.04310.11
5.1.50.0130.0279.96
5.1.40.0130.0209.90
5.1.30.0130.04010.25
5.1.20.0170.04310.25
5.1.10.0130.0579.98
5.1.00.0100.02310.04
5.0.50.0100.0208.44
5.0.40.0070.0208.38
5.0.30.0100.0278.21
5.0.20.0070.0408.32
5.0.10.0130.0238.32
5.0.00.0070.0638.07
4.4.90.0070.0338.07
4.4.80.0100.0238.07
4.4.70.0000.0408.07
4.4.60.0070.0238.07
4.4.50.0070.0138.07
4.4.40.0030.0338.07
4.4.30.0030.0178.07
4.4.20.0100.0138.07
4.4.10.0030.0178.07
4.4.00.0070.0238.07
4.3.110.0070.0238.07
4.3.100.0070.0138.07
4.3.90.0070.0208.07
4.3.80.0070.0438.07
4.3.70.0100.0108.07
4.3.60.0070.0308.07
4.3.50.0030.0178.07
4.3.40.0030.0278.07
4.3.30.0030.0338.07
4.3.20.0070.0208.07
4.3.10.0030.0178.07
4.3.00.0030.0178.07

preferences:
52.51 ms | 401 KiB | 5 Q