3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('{\bFirePHP/\d++\.\d++\b}', 'FirePHP/12345678901234567890123456789012345678901234567891234567890123456789123456789012345678901234567890123456789012345678912345678901234567891234567890123456789012345678901234567890123456789123456789012345678912345678901234567890123456789012345678901234567891234567890123456789.12345678901234567890123456789012345678901234567891234567890123456789123456789012345678901234567890123456789012345678912345678901234567891234567890123456789012345678901234567890123456789123456789012345678912345678901234567890123456789012345678901234567891234567890123456789a'));

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)
8.3.40.0070.01018.97
8.3.30.0100.00318.93
8.3.20.0000.00720.18
8.3.10.0000.00723.48
8.3.00.0040.00420.56
8.2.170.0140.00022.96
8.2.160.0000.01322.21
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00022.21
8.2.110.0030.00622.16
8.2.100.0120.00017.72
8.2.90.0000.00819.07
8.2.80.0030.00617.97
8.2.70.0040.00417.63
8.2.60.0030.00617.75
8.2.50.0030.00518.07
8.2.40.0060.00917.72
8.2.30.0000.00717.91
8.2.20.0000.00717.75
8.2.10.0080.00017.66
8.2.00.0040.00417.58
8.1.270.0050.00323.79
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0080.00023.65
8.1.230.0030.00818.91
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0090.00017.38
8.1.180.0040.00418.10
8.1.170.0040.00418.74
8.1.160.0030.00622.04
8.1.150.0000.00718.67
8.1.140.0000.00817.49
8.1.130.0040.00417.78
8.1.120.0030.00317.38
8.1.110.0030.00617.50
8.1.100.0000.00717.50
8.1.90.0000.00717.38
8.1.80.0000.00817.48
8.1.70.0000.00717.42
8.1.60.0040.00417.52
8.1.50.0040.00417.57
8.1.40.0040.00417.47
8.1.30.0040.00417.62
8.1.20.0040.00417.66
8.1.10.0000.00717.45
8.1.00.0070.00017.55
8.0.300.0040.00418.77
8.0.290.0040.00417.15
8.0.280.0020.00518.26
8.0.270.0030.00317.16
8.0.260.0000.00716.84
8.0.250.0000.00717.01
8.0.240.0070.00016.96
8.0.230.0050.00317.01
8.0.220.0040.00416.88
8.0.210.0040.00416.91
8.0.200.0030.00317.04
8.0.190.0090.00016.87
8.0.180.0000.00816.88
8.0.170.0000.00716.83
8.0.160.0080.00016.88
8.0.150.0000.00716.69
8.0.140.0000.00716.75
8.0.130.0000.00513.38
8.0.120.0090.00016.90
8.0.110.0020.00516.83
8.0.100.0000.00716.73
8.0.90.0050.00216.81
8.0.80.0130.00316.87
8.0.70.0000.00816.79
8.0.60.0000.00716.87
8.0.50.0080.00016.96
8.0.30.0140.00517.05
8.0.20.0110.00717.40
8.0.10.0000.00817.08
8.0.00.0050.01416.84
7.4.330.0020.00215.00
7.4.320.0000.00716.58
7.4.300.0050.00316.62
7.4.290.0040.00416.68
7.4.280.0000.00716.59
7.4.270.0030.00316.71
7.4.260.0050.00216.71
7.4.250.0080.00016.54
7.4.240.0060.00116.65
7.4.230.0000.00716.78
7.4.220.0120.00616.67
7.4.210.0060.00816.70
7.4.200.0030.00316.59
7.4.190.0000.00716.77
7.4.160.0090.00616.50
7.4.150.0090.00917.40
7.4.140.0130.00617.86
7.4.130.0060.01016.66
7.4.120.0090.00916.65
7.4.110.0130.00316.57
7.4.100.0200.00516.55
7.4.90.0140.00516.63
7.4.80.0000.02116.54
7.4.70.0070.01016.40
7.4.60.0030.01316.34
7.4.50.0000.00716.51
7.4.40.0060.00922.77
7.4.30.0150.00316.54
7.4.10.0120.00614.95
7.4.00.0080.00815.06
7.3.330.0000.00513.03
7.3.320.0050.00013.11
7.3.310.0000.00716.42
7.3.300.0060.00016.18
7.3.290.0090.00616.31
7.3.280.0090.01016.31
7.3.270.0100.01017.40
7.3.260.0060.01516.67
7.3.250.0060.01216.51
7.3.240.0080.01116.37
7.3.230.0210.00416.57
7.3.210.0060.01116.57
7.3.200.0100.00719.39
7.3.190.0090.01316.50
7.3.180.0120.00916.30
7.3.170.0080.00816.56
7.3.160.0090.00616.45
7.3.130.0080.00814.83
7.3.120.0070.01114.80
7.3.110.0080.01114.62
7.3.100.0100.00314.84
7.3.90.0050.01114.58
7.3.80.0000.01014.66
7.3.70.0060.00814.87
7.3.60.0070.00714.83
7.3.50.0070.00514.74
7.3.40.0060.01014.87
7.3.30.0030.00914.85
7.3.20.0000.01016.51
7.3.10.0050.01116.53
7.3.00.0100.00316.74
7.2.330.0110.00716.53
7.2.320.0070.01016.54
7.2.310.0000.01616.52
7.2.300.0030.01616.53
7.2.290.0060.01116.59
7.2.260.0060.01115.05
7.2.250.0080.00915.07
7.2.240.0100.00714.92
7.2.230.0050.01315.07
7.2.220.0090.00714.95
7.2.210.0060.00514.95
7.2.200.0070.00614.63
7.2.190.0080.00614.96
7.2.180.0050.00814.79
7.2.170.0110.00314.88
7.2.160.0090.00914.89
7.2.150.0030.01217.01
7.2.140.0090.00716.83
7.2.130.0080.00816.81
7.2.120.0020.01016.84
7.2.110.0060.01016.61
7.2.100.0020.01316.55
7.2.90.0030.01116.91
7.2.80.0030.00916.83
7.2.70.0070.00916.80
7.2.60.0100.00516.87
7.2.50.0060.01217.04
7.2.40.0070.00517.06
7.2.30.0070.00916.78
7.2.20.0060.00816.88
7.2.10.0030.00916.82
7.2.00.0040.00917.66
7.1.330.0050.00815.89
7.1.320.0020.01115.81
7.1.310.0080.00615.71
7.1.300.0040.00915.55
7.1.290.0020.01115.79
7.1.280.0020.01115.74
7.1.270.0030.00615.70
7.1.260.0050.01215.77
7.1.250.0040.01115.66
7.1.240.0030.00815.73
7.1.230.0060.00415.79
7.1.220.0050.01015.87
7.1.210.0050.00915.74
7.1.200.0060.00815.72
7.1.190.0070.01115.72
7.1.180.0060.00615.84
7.1.170.0020.01115.75
7.1.160.0050.00415.67
7.1.150.0100.00315.72
7.1.140.0070.00715.78
7.1.130.0050.00715.61
7.1.120.0040.00615.86
7.1.110.0040.00915.87
7.1.100.0070.00816.65
7.1.90.0050.00615.84
7.1.80.0040.01115.67
7.1.70.0060.00716.38
7.1.60.0030.01217.00
7.1.50.0030.01116.11
7.1.40.0030.01015.81
7.1.30.0060.00615.76
7.1.20.0050.00715.85
7.1.10.0070.00415.81
7.1.00.0080.02418.02
7.0.330.0060.00615.37
7.0.320.0040.00415.44
7.0.310.0020.00915.24
7.0.300.0040.00815.22
7.0.290.0050.00715.51
7.0.280.0100.00315.40
7.0.270.0000.01115.40
7.0.260.0020.00715.35
7.0.250.0040.00815.37
7.0.240.0050.00815.45
7.0.230.0040.00715.38
7.0.220.0070.00615.31
7.0.210.0050.01215.57
7.0.200.0060.00615.89
7.0.190.0040.00915.55
7.0.180.0060.00815.54
7.0.170.0050.00715.23
7.0.160.0090.00515.36
7.0.150.0010.01015.43
7.0.140.0040.02917.63
7.0.130.0030.00915.42
7.0.120.0060.00815.53
7.0.110.0050.00915.53
7.0.100.0050.00715.42
7.0.90.0060.00615.17
7.0.80.0010.01115.36
7.0.70.0020.01015.54
7.0.60.0070.02316.95
7.0.50.0090.02716.13
7.0.40.0060.03115.68
7.0.30.0160.02515.66
7.0.20.0110.02415.71
7.0.10.0150.01815.73
7.0.00.0020.03515.72
5.6.400.0030.00914.11
5.6.390.0020.01414.26
5.6.380.0040.00513.96
5.6.370.0040.00514.38
5.6.360.0060.00814.09
5.6.350.0080.00313.96
5.6.340.0070.00614.13
5.6.330.0070.00914.09
5.6.320.0050.01014.12
5.6.310.0070.00914.20
5.6.300.0060.00514.07
5.6.290.0030.00714.34
5.6.280.0050.02816.35
5.6.270.0060.00714.43
5.6.260.0030.01014.08
5.6.250.0030.01113.97
5.6.240.0050.01013.96
5.6.230.0040.00814.20
5.6.220.0050.00914.33
5.6.210.0050.02116.21
5.6.200.0080.02815.64
5.6.190.0070.03616.30
5.6.180.0160.02416.09
5.6.170.0150.03316.22
5.6.160.0090.03116.24
5.6.150.0060.01915.58
5.6.140.0030.03315.44
5.6.130.0030.02315.46
5.6.120.0050.02516.44
5.6.110.0120.02716.51
5.6.100.0090.03016.32
5.6.90.0090.03016.35
5.6.80.0090.02516.22
5.6.70.0050.00914.11
5.6.60.0030.01014.14
5.6.50.0050.00514.10
5.6.40.0020.01214.15
5.6.30.0050.01014.03
5.6.20.0030.00714.11
5.6.10.0020.01214.16
5.6.00.0050.00814.08
5.5.380.0040.00614.14
5.5.370.0080.00614.11
5.5.360.0070.00813.88
5.5.350.0110.02716.27
5.5.340.0050.01715.50
5.5.330.0040.02416.15
5.5.320.0040.03316.12
5.5.310.0140.02616.04
5.5.300.0030.03315.40
5.5.290.0060.03315.23
5.5.280.0030.01816.25
5.5.270.0060.02316.33
5.5.260.0010.03916.27
5.5.250.0000.03416.28
5.5.240.0010.02115.92
5.5.230.0080.00613.75
5.5.220.0050.00913.86
5.5.210.0070.00814.00
5.5.200.0040.00813.82
5.5.190.0100.00513.92
5.5.180.0030.01113.99
5.5.170.0040.01014.04
5.5.160.0080.00613.74
5.5.150.0060.01014.05
5.5.140.0050.00513.99
5.5.130.0060.00613.73
5.5.120.0060.00813.96
5.5.110.0040.00913.83
5.5.100.0080.00414.07
5.5.90.0070.00813.78
5.5.80.0040.00813.84
5.5.70.0090.00513.97
5.5.60.0020.00914.09
5.5.50.0090.00213.76
5.5.40.0050.00814.00
5.5.30.0030.00613.86
5.5.20.0050.00513.75
5.5.10.0030.01014.02
5.5.00.0020.00913.98
5.4.450.0190.02013.79
5.4.440.0300.02813.85
5.4.430.0190.02013.82
5.4.420.0330.02113.84
5.4.410.0070.02313.56
5.4.400.0160.01913.53
5.4.390.0150.02013.57
5.4.380.0070.02113.54
5.4.370.0110.02513.54
5.4.360.0080.02213.54
5.4.350.0100.02013.61
5.4.340.0070.02013.39
5.4.330.0050.00211.04
5.4.320.0050.01611.50
5.4.310.0060.01511.47
5.4.300.0070.01311.38
5.4.290.0060.01311.43
5.4.280.0030.01611.36
5.4.270.0070.01311.39
5.4.260.0080.01411.47
5.4.250.0030.01711.39
5.4.240.0040.01611.44
5.4.230.0020.01811.45
5.4.220.0050.01711.45
5.4.210.0080.01811.49
5.4.200.0120.01611.39
5.4.190.0090.01611.48
5.4.180.0050.01911.38
5.4.170.0050.01911.46
5.4.160.0060.01911.47
5.4.150.0070.01811.48
5.4.140.0090.01511.38
5.4.130.0080.01711.37
5.4.120.0060.01811.35
5.4.110.0070.01911.34
5.4.100.0060.02111.36
5.4.90.0110.01711.36
5.4.80.0080.01611.31
5.4.70.0050.02111.36
5.4.60.0100.02511.32
5.4.50.0100.01711.32
5.4.40.0120.02411.33
5.4.30.0070.01711.26
5.4.20.0070.01811.28
5.4.10.0060.01911.30
5.4.00.0060.01911.08
5.3.290.0050.01811.42
5.3.280.0070.01611.41
5.3.270.0060.02211.43
5.3.260.0060.02111.45
5.3.250.0070.01811.47
5.3.240.0060.02011.37
5.3.230.0110.01711.41
5.3.220.0080.01911.40
5.3.210.0080.02111.40
5.3.200.0070.02111.32
5.3.190.0080.02211.44
5.3.180.0090.01711.40
5.3.170.0060.01811.50
5.3.160.0110.02511.47
5.3.150.0090.01711.43
5.3.140.0100.01711.47
5.3.130.0070.02011.44
5.3.120.0070.02011.43
5.3.110.0120.02511.40
5.3.100.0070.01911.25
5.3.90.0050.01711.21
5.3.80.0060.01911.12
5.3.70.0080.01911.15
5.3.60.0090.02011.22
5.3.50.0080.01711.11
5.3.40.0090.01811.17
5.3.30.0180.02811.14
5.3.20.0070.02011.08
5.3.10.0090.01810.96
5.3.00.0090.01911.04
5.2.170.0110.0409.17
5.2.160.0140.0389.18
5.2.150.0210.0389.17
5.2.140.0110.0459.17
5.2.130.0130.0369.13
5.2.120.0330.0869.13
5.2.110.0140.0409.14
5.2.100.0450.0709.14
5.2.90.0200.0339.14
5.2.80.0290.0559.12
5.2.70.0140.0419.12
5.2.60.0120.0379.08
5.2.50.0150.0369.05
5.2.40.0120.0419.03
5.2.30.0100.0389.00
5.2.20.0130.0379.00
5.2.10.0120.0378.91
5.2.00.0290.0728.77
5.1.60.0080.0338.05
5.1.50.0100.0318.05
5.1.40.0080.0328.04
5.1.30.0170.0268.38
5.1.20.0140.0298.41
5.1.10.0140.0348.13
5.1.00.0110.0358.13
5.0.50.0200.0776.61
5.0.40.0110.0226.46
5.0.30.0080.0366.29
5.0.20.0130.0186.26
5.0.10.0060.0256.22
5.0.00.0090.0366.22
4.4.90.0070.0194.78
4.4.80.0060.0194.76
4.4.70.0060.0214.76
4.4.60.0070.0184.75
4.4.50.0090.0174.77
4.4.40.0090.0304.70
4.4.30.0100.0174.76
4.4.20.0050.0204.85
4.4.10.0080.0174.85
4.4.00.0080.0304.76
4.3.110.0070.0194.67
4.3.100.0060.0204.67
4.3.90.0110.0144.63
4.3.80.0080.0274.58
4.3.70.0090.0154.63
4.3.60.0060.0184.62
4.3.50.0090.0164.63
4.3.40.0050.0314.54
4.3.30.0040.0223.29
4.3.20.0040.0193.27
4.3.10.0060.0193.24
4.3.00.0100.0236.87

preferences:
73.35 ms | 400 KiB | 5 Q