3v4l.org

run code in 300+ PHP versions simultaneously
<?php $unicodeChar = '\u00FA'; $string = json_decode('"'.$unicodeChar.'"'); echo "String is $string \n"; $result = preg_match_all( '/\X/u' , $string , $matches , PREG_SET_ORDER ); echo "Result is :".$result."\n"; var_dump($matches); exit(0);

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)
8.3.60.0070.01418.73
8.3.50.0120.00522.17
8.3.40.0090.00619.09
8.3.30.0070.00718.71
8.3.20.0030.00518.88
8.3.10.0000.00820.82
8.3.00.0000.00721.70
8.2.180.0150.00316.75
8.2.170.0110.00422.96
8.2.160.0070.01020.38
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0080.00021.16
8.2.110.0090.00020.61
8.2.100.0060.00617.97
8.2.90.0000.00818.28
8.2.80.0050.00317.97
8.2.70.0100.00017.88
8.2.60.0000.00817.92
8.2.50.0090.00018.07
8.2.40.0000.00718.34
8.2.30.0040.00419.44
8.2.20.0040.00417.98
8.2.10.0080.00018.05
8.2.00.0060.00317.97
8.1.280.0140.00325.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00020.89
8.1.230.0040.00720.88
8.1.220.0080.00017.88
8.1.210.0040.00418.97
8.1.200.0040.00717.47
8.1.190.0040.00417.65
8.1.180.0060.00318.10
8.1.170.0040.00418.73
8.1.160.0000.00718.86
8.1.150.0000.00718.79
8.1.140.0040.00417.61
8.1.130.0040.00417.78
8.1.120.0000.00817.59
8.1.110.0000.00717.53
8.1.100.0040.00417.59
8.1.90.0030.00317.48
8.1.80.0030.00617.63
8.1.70.0040.00417.59
8.1.60.0060.00317.73
8.1.50.0040.00417.64
8.1.40.0060.00317.54
8.1.30.0000.00817.76
8.1.20.0000.00817.72
8.1.10.0030.00617.66
8.1.00.0000.00717.42
8.0.300.0040.00419.94
8.0.290.0040.00417.05
8.0.280.0000.00718.37
8.0.270.0070.00017.14
8.0.260.0040.00417.04
8.0.250.0070.00017.23
8.0.240.0080.00417.12
8.0.230.0030.00317.21
8.0.220.0000.00717.18
8.0.210.0030.00317.25
8.0.200.0000.00717.16
8.0.190.0040.00417.11
8.0.180.0070.00017.23
8.0.170.0000.00817.14
8.0.160.0000.00717.11
8.0.150.0080.00017.03
8.0.140.0070.00017.07
8.0.130.0030.00313.58
8.0.120.0040.00417.14
8.0.110.0000.00717.27
8.0.100.0050.00217.24
8.0.90.0030.00617.09
8.0.80.0030.01217.14
8.0.70.0050.00217.18
8.0.60.0040.00417.23
8.0.50.0080.00017.16
8.0.30.0090.01017.28
8.0.20.0120.00917.40
8.0.10.0070.00017.32
8.0.00.0070.01317.02
7.4.330.0000.00516.68
7.4.320.0030.00316.64
7.4.300.0030.00316.69
7.4.290.0030.00316.71
7.4.280.0070.00016.79
7.4.270.0030.00316.71
7.4.260.0000.00513.46
7.4.250.0040.00416.63
7.4.240.0030.00316.70
7.4.230.0000.00816.65
7.4.220.0060.01016.68
7.4.210.0040.01016.72
7.4.200.0000.00816.73
7.4.190.0070.00016.58
7.4.160.0150.00616.73
7.4.150.0090.00917.40
7.4.140.0110.01017.86
7.4.130.0120.00816.77
7.4.120.0130.00716.81
7.4.110.0070.01016.71
7.4.100.0090.00916.87
7.4.90.0130.00316.88
7.4.80.0190.00319.39
7.4.70.0030.01416.70
7.4.60.0000.01716.71
7.4.50.0040.00416.45
7.4.40.0000.01622.77
7.4.30.0070.01016.54
7.4.00.0110.00414.97
7.3.330.0030.00313.50
7.3.320.0060.00013.46
7.3.310.0040.00416.56
7.3.300.0070.00016.47
7.3.290.0130.00716.63
7.3.280.0090.00616.63
7.3.270.0280.02717.40
7.3.260.0070.01018.24
7.3.250.0100.01216.60
7.3.240.0120.00616.45
7.3.230.0060.01116.68
7.3.210.0070.01016.57
7.3.200.0120.00916.52
7.3.190.0080.00816.82
7.3.180.0060.00916.63
7.3.170.0060.00916.48
7.3.160.0030.01316.86
7.3.120.0060.00615.00
7.2.330.0110.00716.92
7.2.320.0050.01116.94
7.2.310.0180.00616.89
7.2.300.0130.00316.76
7.2.290.0030.01216.77
7.2.00.0000.01319.57
7.1.100.0060.00618.14
7.1.70.0030.00517.32
7.1.60.0130.01319.40
7.1.50.0090.01217.31
7.1.00.0030.03322.32
7.0.200.0030.00616.96
7.0.140.0030.07722.02
7.0.70.0000.07021.82
7.0.60.0030.07721.77
7.0.50.0100.07022.04
7.0.40.0070.03720.15
7.0.30.0000.05720.06
7.0.20.0000.05020.11
7.0.10.0030.07020.07
7.0.00.0030.09020.07
5.6.220.0070.05020.57
5.6.210.0070.08020.76
5.6.200.0030.04321.05
5.6.190.0000.08321.11
5.6.180.0000.05021.01
5.6.170.0200.07720.99
5.6.160.0000.09021.00
5.6.150.0170.07721.00
5.6.140.0100.08020.99
5.6.130.0030.08020.93
5.6.120.0100.07021.11
5.6.110.0000.08721.06
5.6.100.0070.08721.01
5.6.90.0000.05021.03
5.6.80.0000.06020.39
5.6.70.0130.05320.37
5.6.60.0030.08720.32
5.6.50.0030.06020.35
5.6.40.0100.07720.42
5.6.30.0000.06320.37
5.6.20.0000.07020.46
5.6.10.0000.05320.27
5.6.00.0070.07720.23
5.5.360.0070.08020.42
5.5.350.0000.06720.38
5.5.340.0100.07020.81
5.5.330.0070.04020.72
5.5.320.0070.07020.79
5.5.310.0000.08720.88
5.5.300.0100.04020.79
5.5.290.0100.06020.80
5.5.280.0030.08720.77
5.5.270.0030.06020.86
5.5.260.0100.07320.86
5.5.250.0000.09020.62
5.5.240.0070.06320.17
5.5.230.0030.08320.13
5.5.220.0130.07020.27
5.5.210.0000.08020.01
5.5.200.0100.07719.95
5.5.190.0030.08320.21
5.5.180.0130.05720.21
5.5.160.0070.05020.12
5.5.150.0100.06020.12
5.5.140.0100.07720.17
5.5.130.0000.05320.14
5.5.120.0070.07720.13
5.5.110.0030.05720.18
5.5.100.0100.03720.14
5.5.90.0070.06020.14
5.5.80.0000.05720.04
5.5.70.0070.06020.04
5.5.60.0000.06320.02
5.5.50.0070.05719.92
5.5.40.0000.07719.92
5.5.30.0070.07320.11
5.5.20.0000.06320.11
5.5.10.0030.08020.01
5.5.00.0030.06319.95
5.4.450.0070.08019.54
5.4.440.0070.08019.42
5.4.430.0100.05319.09
5.4.420.0030.06319.25
5.4.410.0030.07019.08
5.4.400.0070.04319.03
5.4.390.0000.07719.01
5.4.380.0070.07719.02
5.4.370.0030.07319.04
5.4.360.0030.07019.04
5.4.350.0030.08019.21
5.4.340.0030.08319.21
5.4.320.0030.07318.80
5.4.310.0070.04719.10
5.4.300.0070.04718.79
5.4.290.0000.08019.00
5.4.280.0070.08319.05
5.4.270.0000.07319.07
5.4.260.0030.07018.88
5.4.250.0100.07318.93
5.4.240.0070.07719.09
5.4.230.0030.07019.05
5.4.220.0070.04319.01
5.4.210.0000.06018.95
5.4.200.0070.08019.09
5.4.190.0100.06319.07
5.4.180.0000.05019.00
5.4.170.0100.06718.87
5.4.160.0000.05018.98
5.4.150.0070.07719.00
5.4.140.0000.05716.30
5.4.130.0070.06016.27
5.4.120.0000.07316.32
5.4.110.0030.07016.40
5.4.100.0030.06316.47
5.4.90.0000.08016.21
5.4.80.0000.05716.40
5.4.70.0030.07016.23
5.4.60.0070.07316.27
5.4.50.0070.05016.40
5.4.40.0070.04316.22
5.4.30.0030.06716.29
5.4.20.0100.06016.35
5.4.10.0030.07016.28
5.4.00.0030.05715.77
5.3.290.0000.08314.67
5.3.280.0000.06014.59
5.3.270.0070.07314.57
5.3.260.0030.06014.46
5.3.250.0100.06714.44
5.3.240.0030.06014.51
5.3.230.0030.05314.60
5.3.220.0030.05714.47
5.3.210.0030.05014.55
5.3.200.0070.04014.47
5.3.190.0070.07314.51
5.3.180.0030.06714.50
5.3.170.0070.04014.52
5.3.160.0000.08314.55
5.3.150.0000.06014.55
5.3.140.0030.07314.56
5.3.130.0030.05714.55
5.3.120.0070.03714.46
5.3.110.0100.06314.40
5.3.100.0000.04714.00
5.3.90.0200.06713.87
5.3.80.0030.06714.02
5.3.70.0000.04713.88
5.3.60.0030.04313.86
5.3.50.0070.04313.91
5.3.40.0030.07313.88
5.3.30.0030.07013.91
5.3.20.0000.05313.67
5.3.10.0030.06713.66
5.3.00.0030.07013.59
5.2.170.0070.06312.36
5.2.160.0070.06012.36
5.2.150.0030.06712.36
5.2.140.0030.05012.36
5.2.130.0070.06012.36
5.2.120.0000.05312.36
5.2.110.0000.06312.36
5.2.100.0070.02712.36
5.2.90.0000.04012.36
5.2.80.0030.06012.36
5.2.70.0070.04312.36
5.2.60.0000.06312.36
5.2.50.0030.06012.36
5.2.40.0030.05712.36
5.2.30.0030.06312.36
5.2.20.0100.04312.36
5.2.10.0030.05712.36
5.2.00.0000.05312.36
5.1.60.0030.05712.36
5.1.50.0000.06012.36
5.1.40.0000.05012.36
5.1.30.0000.04712.36
5.1.20.0030.05012.36
5.1.10.0070.05012.36
5.1.00.0000.05312.36
5.0.50.0000.04712.36
5.0.40.0000.04312.36
5.0.30.0000.03312.36
5.0.20.0000.04312.36
5.0.10.0100.03312.36
5.0.00.0030.04312.36
4.4.90.0000.03312.36
4.4.80.0000.02712.36
4.4.70.0030.03312.36
4.4.60.0000.03312.36
4.4.50.0030.03712.36
4.4.40.0030.05012.36
4.4.30.0000.03012.36
4.4.20.0070.02312.36
4.4.10.0070.03012.36
4.4.00.0030.05012.36
4.3.110.0000.02312.36
4.3.100.0000.02312.36
4.3.90.0000.03312.36
4.3.80.0000.05012.36
4.3.70.0030.02712.36
4.3.60.0000.02712.36
4.3.50.0000.03712.36
4.3.40.0070.04712.36
4.3.30.0000.03012.36
4.3.20.0030.03712.36
4.3.10.0070.02712.36
4.3.00.0000.03712.36

preferences:
51.72 ms | 401 KiB | 5 Q