3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = trim(' 34'); echo preg_match('/^\d+$/', $n); echo $n<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)
8.3.40.0090.00618.73
8.3.30.0100.00319.09
8.3.20.0080.00020.16
8.3.10.0070.01123.34
8.3.00.0090.00917.63
8.2.170.0130.00722.96
8.2.160.0150.00020.38
8.2.150.0040.01424.18
8.2.140.0030.00524.66
8.2.130.0070.01026.16
8.2.120.0160.00320.98
8.2.110.0070.00322.08
8.2.100.0080.00317.84
8.2.90.0000.00817.88
8.2.80.0000.00817.97
8.2.70.0040.00717.93
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0100.00020.58
8.2.30.0000.00818.08
8.2.20.0040.00417.70
8.2.10.0000.00718.15
8.2.00.0000.00717.74
8.1.270.0080.00823.88
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00422.14
8.1.230.0040.00719.07
8.1.220.0030.00517.79
8.1.210.0030.00618.77
8.1.200.0090.00017.38
8.1.190.0030.00617.35
8.1.180.0050.00318.10
8.1.170.0040.00418.77
8.1.160.0040.00422.07
8.1.150.0040.00418.84
8.1.140.0030.00617.62
8.1.130.0030.00317.89
8.1.120.0000.00717.60
8.1.110.0000.00717.58
8.1.100.0040.00417.59
8.1.90.0070.00017.59
8.1.80.0040.00417.47
8.1.70.0020.00517.61
8.1.60.0030.00617.63
8.1.50.0080.00017.56
8.1.40.0000.00817.63
8.1.30.0030.00517.72
8.1.20.0000.00817.79
8.1.10.0040.00417.64
8.1.00.0030.00617.58
8.0.300.0000.00721.47
8.0.290.0040.00416.75
8.0.280.0060.00318.46
8.0.270.0000.00717.27
8.0.260.0000.00617.13
8.0.250.0040.00417.05
8.0.240.0000.00817.07
8.0.230.0070.00017.11
8.0.220.0070.00016.95
8.0.210.0080.00017.05
8.0.200.0000.00617.05
8.0.190.0000.00717.13
8.0.180.0070.00016.95
8.0.170.0000.00816.90
8.0.160.0070.00016.98
8.0.150.0080.00016.98
8.0.140.0070.00016.94
8.0.130.0040.00413.52
8.0.120.0050.00517.03
8.0.110.0000.00716.94
8.0.100.0000.00716.82
8.0.90.0000.00816.83
8.0.80.0130.01017.03
8.0.70.0040.00416.87
8.0.60.0040.00416.89
8.0.50.0000.00816.96
8.0.30.0120.01017.37
8.0.20.0070.01217.47
8.0.10.0030.00517.17
8.0.00.0070.01217.04
7.4.330.0000.00515.17
7.4.320.0070.00016.79
7.4.300.0060.00016.69
7.4.290.0000.00716.88
7.4.280.0040.00416.61
7.4.270.0000.00716.81
7.4.260.0030.00316.67
7.4.250.0000.00716.75
7.4.240.0050.00216.70
7.4.230.0070.00016.80
7.4.220.0090.01316.84
7.4.210.0090.01016.73
7.4.200.0040.00316.80
7.4.160.0170.00716.66
7.4.150.0110.00917.40
7.4.140.0060.01217.86
7.4.130.0130.00616.71
7.4.120.0100.01016.63
7.4.110.0060.01016.45
7.4.100.0030.01516.69
7.4.90.0070.01116.74
7.4.80.0080.01019.39
7.4.70.0100.00716.68
7.4.60.0070.01016.68
7.4.50.0020.00216.54
7.4.40.0100.00616.86
7.4.30.0060.01016.84
7.4.10.0130.00615.10
7.4.00.0060.00815.14
7.3.330.0030.00513.09
7.3.320.0000.00613.06
7.3.310.0000.00816.21
7.3.300.0030.00316.38
7.3.290.0120.00316.39
7.3.280.0120.00616.37
7.3.270.0070.01517.40
7.3.260.0090.00916.43
7.3.240.0130.00416.68
7.3.230.0110.00516.63
7.3.210.0100.01016.65
7.3.200.0070.01019.39
7.3.190.0030.01416.44
7.3.180.0130.00316.55
7.3.170.0050.01516.42
7.3.160.0130.00316.37
7.3.130.0030.01214.66
7.3.120.0040.00815.19
7.3.110.0070.01114.83
7.3.100.0060.01015.22
7.3.90.0070.00714.56
7.3.80.0000.01215.14
7.3.70.0060.00914.93
7.3.60.0080.00414.68
7.3.50.0110.00414.80
7.3.40.0030.01015.00
7.3.30.0030.01015.00
7.3.20.0100.00316.85
7.3.10.0000.01916.86
7.3.00.0120.00016.89
7.2.330.0110.00716.82
7.2.320.0170.00316.75
7.2.310.0120.00916.65
7.2.300.0060.01016.80
7.2.290.0060.00916.66
7.2.260.0090.00915.11
7.2.250.0070.01015.08
7.2.240.0030.01014.86
7.2.230.0090.00615.26
7.2.220.0060.00915.21
7.2.210.0110.00315.01
7.2.200.0090.00615.25
7.2.190.0040.01115.14
7.2.180.0070.01015.02
7.2.170.0060.00615.00
7.2.160.0030.00915.01
7.2.150.0090.00916.89
7.2.140.0070.00717.13
7.2.130.0000.00916.87
7.2.120.0040.01017.04
7.2.110.0040.01116.88
7.2.100.0060.00917.18
7.2.90.0060.01016.77
7.2.80.0000.01517.12
7.2.70.0030.01316.70
7.2.60.0060.00617.03
7.2.50.0070.00716.91
7.2.40.0000.01416.89
7.2.30.0030.01017.23
7.2.20.0040.00817.07
7.2.10.0000.01517.02
7.2.00.0070.01018.21
7.1.330.0100.00616.01
7.1.320.0040.01115.79
7.1.310.0070.00716.13
7.1.300.0040.00816.02
7.1.290.0040.00815.98
7.1.280.0070.00716.04
7.1.270.0070.00715.68
7.1.260.0070.01115.88
7.1.250.0060.00615.85
7.1.240.0100.00316.09
7.1.230.0100.00716.06
7.1.220.0030.00915.97
7.1.210.0000.01516.05
7.1.200.0050.00916.01
7.1.190.0140.00015.86
7.1.180.0070.01016.10
7.1.170.0000.00915.92
7.1.160.0070.00715.98
7.1.150.0000.00915.96
7.1.140.0070.00716.02
7.1.130.0070.00715.85
7.1.120.0070.00416.05
7.1.110.0080.00515.96
7.1.100.0020.00917.12
7.1.90.0060.00615.95
7.1.80.0060.00915.98
7.1.70.0030.00716.72
7.1.60.0070.01417.71
7.1.50.0030.01216.62
7.1.40.0100.00715.98
7.1.30.0040.00416.00
7.1.20.0060.00315.94
7.1.10.0030.01216.01
7.1.00.0030.04219.11
7.0.330.0040.00915.42
7.0.320.0000.01015.68
7.0.310.0070.00715.34
7.0.300.0030.00915.60
7.0.290.0030.01015.34
7.0.280.0000.00815.58
7.0.270.0060.00615.59
7.0.260.0080.00315.48
7.0.250.0070.00715.62
7.0.240.0070.00315.56
7.0.230.0030.00615.67
7.0.220.0130.00015.66
7.0.210.0040.00715.64
7.0.200.0050.00716.40
7.0.190.0070.00315.52
7.0.180.0030.00915.68
7.0.170.0040.00815.51
7.0.160.0110.00315.46
7.0.150.0080.00315.43
7.0.140.0050.04218.75
7.0.130.0040.00715.55
7.0.120.0070.00715.69
7.0.110.0060.00315.73
7.0.100.0070.00715.43
7.0.90.0000.01515.66
7.0.80.0030.00915.56
7.0.70.0030.00515.77
7.0.60.0100.03717.80
7.0.50.0120.03816.73
7.0.40.0080.03717.05
7.0.30.0120.02416.74
7.0.20.0150.04316.98
7.0.10.0030.05216.88
7.0.00.0040.03016.79
5.6.400.0000.01314.54
5.6.390.0060.01114.57
5.6.380.0090.00614.09
5.6.370.0150.00014.27
5.6.360.0000.01214.50
5.6.350.0070.00714.42
5.6.340.0030.00714.12
5.6.330.0030.00914.37
5.6.320.0080.00414.00
5.6.310.0130.00314.22
5.6.300.0090.00914.30
5.6.290.0090.00814.23
5.6.280.0080.03817.49
5.6.270.0060.00614.22
5.6.260.0130.00314.51
5.6.250.0040.00714.29
5.6.240.0070.01014.21
5.6.230.0060.00614.44
5.6.220.0060.00714.23
5.6.210.0020.04317.34
5.6.200.0120.03516.26
5.6.190.0000.03217.42
5.6.180.0250.03417.38
5.6.170.0210.03017.43
5.6.160.0050.03917.46
5.6.150.0050.03516.17
5.6.140.0030.02716.28
5.6.130.0040.02616.17
5.6.120.0080.04317.74
5.6.110.0120.03317.64
5.6.100.0020.02517.61
5.6.90.0020.04017.61
5.6.80.0060.04317.46
5.6.70.0030.00614.20
5.6.60.0030.01014.25
5.6.50.0040.01114.45
5.6.40.0080.00414.46
5.6.30.0070.01014.24
5.6.20.0120.00014.11
5.6.10.0040.00814.20
5.6.00.0060.00614.42
5.5.380.0080.00814.41
5.5.370.0070.00314.20
5.5.360.0060.00714.35
5.5.350.0120.04317.44
5.5.340.0030.03916.17
5.5.330.0080.02317.28
5.5.320.0200.01817.36
5.5.310.0170.04017.30
5.5.300.0030.02816.08
5.5.290.0090.04416.03
5.5.280.0070.04417.52
5.5.270.0070.04817.61
5.5.260.0050.04517.37
5.5.250.0050.02617.37
5.5.240.0090.01917.31
5.5.230.0000.01014.05
5.5.220.0000.00914.23
5.5.210.0000.01314.29
5.5.200.0030.01214.32
5.5.190.0070.00714.38
5.5.180.0070.00714.33
5.5.170.0070.00714.29
5.5.160.0030.00714.27
5.5.150.0080.00414.37
5.5.140.0040.01114.17
5.5.130.0060.00914.51
5.5.120.0030.01014.08
5.5.110.0030.00914.22
5.5.100.0100.00714.07
5.5.90.0000.01114.08
5.5.80.0060.00914.15
5.5.70.0060.00614.06
5.5.60.0060.00914.52
5.5.50.0060.00514.35
5.5.40.0030.01014.28
5.5.30.0030.01014.35
5.5.20.0090.00614.04
5.5.10.0070.01114.28
5.5.00.0030.00714.29
5.4.450.0150.02915.57
5.4.440.0170.02815.44
5.4.430.0200.02215.47
5.4.420.0200.02715.47
5.4.410.0130.02715.36
5.4.400.0300.01815.44
5.4.390.0210.02015.45
5.4.380.0210.03315.17
5.4.370.0200.02815.17
5.4.360.0150.03615.18
5.4.350.0130.03515.13
5.4.340.0250.02515.18
5.4.330.0000.00811.74
5.4.320.0050.02412.10
5.4.310.0020.02512.10
5.4.300.0060.02112.10
5.4.290.0070.02012.09
5.4.280.0040.02412.04
5.4.270.0050.02112.04
5.4.260.0080.02012.04
5.4.250.0050.02412.04
5.4.240.0050.02112.04
5.4.230.0030.02212.04
5.4.220.0060.02312.04
5.4.210.0020.02212.04
5.4.200.0040.02712.04
5.4.190.0040.02012.04
5.4.180.0080.02112.04
5.4.170.0060.02012.04
5.4.160.0060.01912.04
5.4.150.0020.02312.04
5.4.140.0020.02611.88
5.4.130.0020.02311.88
5.4.120.0050.01811.85
5.4.110.0050.02011.85
5.4.100.0030.02111.85
5.4.90.0060.02211.85
5.4.80.0030.02311.85
5.4.70.0060.02111.85
5.4.60.0070.02011.85
5.4.50.0050.02411.85
5.4.40.0070.01911.85
5.4.30.0020.02511.84
5.4.20.0050.02211.84
5.4.10.0020.02311.85
5.4.00.0040.02011.59
5.3.290.0040.04112.80
5.3.280.0070.03812.71
5.3.270.0080.03712.73
5.3.260.0050.04012.72
5.3.250.0060.03712.72
5.3.240.0070.04212.72
5.3.230.0050.03712.71
5.3.220.0120.03912.68
5.3.210.0060.03812.68
5.3.200.0050.03812.68
5.3.190.0050.03912.68
5.3.180.0060.03612.67
5.3.170.0040.03812.67
5.3.160.0050.03812.67
5.3.150.0070.03712.67
5.3.140.0070.03512.66
5.3.130.0060.03912.66
5.3.120.0080.03712.66
5.3.110.0050.04012.66
5.3.100.0050.03912.12
5.3.90.0030.04012.08
5.3.80.0080.04112.08
5.3.70.0130.04312.07
5.3.60.0060.03612.07
5.3.50.0060.03612.00
5.3.40.0080.03412.00
5.3.30.0060.03511.94
5.3.20.0080.03411.72
5.3.10.0070.04111.69
5.3.00.0070.03511.68
5.2.170.0060.0299.17
5.2.160.0060.0289.18
5.2.150.0050.0329.17
5.2.140.0050.0299.18
5.2.130.0060.0279.13
5.2.120.0030.0309.14
5.2.110.0020.0339.14
5.2.100.0060.0279.14
5.2.90.0060.0279.14
5.2.80.0040.0309.13
5.2.70.0070.0319.13
5.2.60.0030.0329.09
5.2.50.0040.0319.05
5.2.40.0070.0269.04
5.2.30.0050.0309.01
5.2.20.0090.0289.00
5.2.10.0070.0298.93
5.2.00.0070.0278.79
5.1.60.0060.0298.07
5.1.50.0030.0318.07
5.1.40.0050.0238.05
5.1.30.0030.0288.41
5.1.20.0040.0298.43
5.1.10.0070.0278.15
5.1.00.0030.0258.15
5.0.50.0060.0186.63
5.0.40.0000.0226.49
5.0.30.0050.0296.30
5.0.20.0060.0166.27
5.0.10.0040.0186.25
5.0.00.0020.0346.23
4.4.90.0030.0224.78
4.4.80.0030.0194.76
4.4.70.0030.0194.76
4.4.60.0010.0184.76
4.4.50.0020.0244.77
4.4.40.0030.0244.71
4.4.30.0030.0164.76
4.4.20.0010.0174.84
4.4.10.0030.0154.85
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0050.0124.67
4.3.90.0030.0144.64
4.3.80.0030.0314.59
4.3.70.0030.0144.63
4.3.60.0060.0144.62
4.3.50.0020.0164.63
4.3.40.0030.0234.53
4.3.30.0020.0163.29
4.3.20.0010.0173.26
4.3.10.0020.0153.22
4.3.00.0030.01716.02

preferences:
48.54 ms | 400 KiB | 5 Q