3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); $string = current($a); $i = 0; while($b = next($a) && strlen($string.current($a)) < 2){ $string .= $b; } echo $string;

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)
8.3.60.0090.00618.55
8.3.50.0120.00922.05
8.3.40.0120.00618.63
8.3.30.0140.00019.06
8.3.20.0070.00020.04
8.3.10.0080.00020.43
8.3.00.0090.00019.38
8.2.180.0150.00316.38
8.2.170.0120.00322.96
8.2.160.0030.01020.35
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0070.00026.16
8.2.120.0040.00421.00
8.2.110.0100.01022.11
8.2.100.0150.00317.50
8.2.90.0040.00419.22
8.2.80.0030.00517.97
8.2.70.0000.00817.63
8.2.60.0060.00617.93
8.2.50.0030.00518.07
8.2.40.0060.00318.09
8.2.30.0040.00419.29
8.2.20.0000.00717.59
8.2.10.0000.00718.02
8.2.00.0030.00517.73
8.1.280.0110.00425.92
8.1.270.0090.00022.14
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0060.00323.80
8.1.230.0080.00419.16
8.1.220.0020.00517.74
8.1.210.0000.00818.77
8.1.200.0040.00717.35
8.1.190.0080.00017.22
8.1.180.0050.00318.10
8.1.170.0090.00518.37
8.1.160.0020.00521.93
8.1.150.0000.00718.76
8.1.140.0070.00017.38
8.1.130.0000.00717.75
8.1.120.0030.00317.50
8.1.110.0040.00417.41
8.1.100.0080.00017.32
8.1.90.0000.00817.49
8.1.80.0030.00517.29
8.1.70.0000.00717.32
8.1.60.0030.00517.59
8.1.50.0030.00617.48
8.1.40.0040.00417.55
8.1.30.0000.00817.68
8.1.20.0000.00917.63
8.1.10.0000.00817.35
8.1.00.0040.00417.30
8.0.300.0040.00418.77
8.0.290.0030.00516.60
8.0.280.0000.00818.40
8.0.270.0000.00817.13
8.0.260.0000.00617.19
8.0.250.0000.00716.93
8.0.240.0030.00316.96
8.0.230.0040.00416.95
8.0.220.0030.00316.87
8.0.210.0030.00516.76
8.0.200.0040.00416.96
8.0.190.0030.00616.87
8.0.180.0000.00716.82
8.0.170.0030.00516.80
8.0.160.0070.00016.79
8.0.150.0040.00416.77
8.0.140.0040.00416.81
8.0.130.0050.00013.33
8.0.120.0000.00716.78
8.0.110.0030.00316.90
8.0.100.0030.00616.91
8.0.90.0000.00816.76
8.0.80.0040.01116.89
8.0.70.0000.00716.84
8.0.60.0070.00016.78
8.0.50.0000.00816.77
8.0.30.0050.01317.08
8.0.20.0080.01217.40
8.0.10.0030.00617.03
8.0.00.0090.00816.63
7.4.330.0020.00215.13
7.4.320.0030.00316.62
7.4.300.0030.00316.59
7.4.290.0030.00316.49
7.4.280.0040.00416.49
7.4.270.0000.00616.49
7.4.260.0040.00416.38
7.4.250.0030.00316.54
7.4.240.0020.00516.62
7.4.230.0030.00316.63
7.4.220.0130.00616.46
7.4.210.0060.00916.37
7.4.200.0040.00416.39
7.4.160.0100.01016.40
7.4.150.0120.00617.40
7.4.140.0070.01117.86
7.4.130.0110.00616.41
7.4.120.0090.00816.51
7.4.110.0060.01016.29
7.4.100.0110.00616.32
7.4.90.0090.01316.51
7.4.80.0030.01618.63
7.4.70.0070.01016.49
7.4.60.0070.01016.50
7.4.50.0000.00816.41
7.4.40.0150.00416.67
7.4.30.0130.00716.62
7.4.10.0170.00315.07
7.4.00.0070.00914.86
7.3.330.0000.00513.05
7.3.320.0050.00013.02
7.3.310.0000.00716.23
7.3.300.0070.00016.25
7.3.290.0120.00316.25
7.3.280.0130.00416.27
7.3.270.0070.01017.40
7.3.260.0130.00716.46
7.3.250.0090.00916.47
7.3.240.0070.01416.19
7.3.230.0160.00316.39
7.3.210.0090.00916.26
7.3.200.0120.00619.39
7.3.190.0110.00716.52
7.3.180.0080.00816.23
7.3.170.0060.00916.50
7.3.160.0060.00916.33
7.3.130.0100.00714.92
7.3.120.0030.01315.02
7.3.110.0150.00414.75
7.3.100.0070.00715.02
7.3.90.0000.00914.43
7.3.80.0060.00614.63
7.3.70.0000.01414.92
7.3.60.0000.01314.72
7.3.50.0100.00614.56
7.3.40.0000.01214.47
7.3.30.0060.00914.73
7.3.20.0040.01116.69
7.3.10.0000.01516.55
7.3.00.0000.01216.68
7.2.330.0070.01116.44
7.2.320.0070.01116.72
7.2.310.0110.00916.57
7.2.300.0040.01316.72
7.2.290.0060.01616.50
7.2.260.0070.01114.86
7.2.250.0110.00715.04
7.2.240.0090.00615.15
7.2.230.0100.00014.72
7.2.220.0030.00615.29
7.2.210.0060.00615.16
7.2.200.0060.00315.06
7.2.190.0000.01414.96
7.2.180.0130.00315.17
7.2.170.0040.00815.01
7.2.160.0030.01015.12
7.2.150.0030.01416.63
7.2.140.0070.01117.00
7.2.130.0000.01416.93
7.2.120.0000.01116.65
7.2.110.0000.01716.76
7.2.100.0140.00017.02
7.2.90.0090.00616.96
7.2.80.0140.00416.97
7.2.70.0070.00316.94
7.2.60.0000.01417.12
7.2.50.0090.00616.93
7.2.40.0000.01317.03
7.2.30.0030.00716.74
7.2.20.0000.01316.84
7.2.10.0040.01116.90
7.2.00.0020.00918.32
7.1.330.0060.00915.57
7.1.320.0030.00616.00
7.1.310.0070.00715.57
7.1.300.0070.00715.91
7.1.290.0080.00415.92
7.1.280.0030.01315.73
7.1.270.0090.00315.74
7.1.260.0100.00315.80
7.1.250.0030.00915.76
7.1.240.0070.01015.81
7.1.230.0000.01515.95
7.1.220.0000.01516.00
7.1.210.0030.01315.86
7.1.200.0070.01015.79
7.1.190.0040.00715.63
7.1.180.0030.00915.89
7.1.170.0100.00315.76
7.1.160.0030.01315.74
7.1.150.0040.00415.93
7.1.140.0000.01415.86
7.1.130.0100.00315.91
7.1.120.0000.01115.91
7.1.110.0030.00915.64
7.1.100.0060.00816.97
7.1.90.0000.00815.90
7.1.80.0000.01315.66
7.1.70.0060.00616.46
7.1.60.0090.00917.69
7.1.50.0030.00916.45
7.1.40.0040.00716.00
7.1.30.0050.00515.86
7.1.20.0030.01015.88
7.1.10.0060.00615.81
7.1.00.0070.04018.99
7.0.330.0060.00915.51
7.0.320.0050.00515.18
7.0.310.0090.00615.41
7.0.300.0120.00315.16
7.0.290.0030.01315.63
7.0.280.0060.00315.34
7.0.270.0060.00315.12
7.0.260.0030.00715.50
7.0.250.0030.01015.55
7.0.240.0060.00915.34
7.0.230.0030.00615.46
7.0.220.0060.00915.32
7.0.210.0040.01415.60
7.0.200.0020.00816.06
7.0.190.0000.01215.52
7.0.180.0030.00715.52
7.0.170.0130.00315.08
7.0.160.0000.01315.43
7.0.150.0040.01215.46
7.0.140.0030.04018.81
7.0.130.0060.00615.36
7.0.120.0070.00315.61
7.0.110.0000.01315.30
7.0.100.0030.00715.35
7.0.90.0030.00615.44
7.0.80.0090.00315.45
7.0.70.0080.00415.38
7.0.60.0070.05017.76
7.0.50.0070.04316.82
7.0.40.0090.04016.95
7.0.30.0310.03616.84
7.0.20.0150.02316.59
7.0.10.0090.03516.79
7.0.00.0020.02916.87
5.6.400.0030.00914.33
5.6.390.0000.01014.26
5.6.380.0060.00614.19
5.6.370.0060.00614.22
5.6.360.0070.00714.46
5.6.350.0060.01114.26
5.6.340.0080.00814.56
5.6.330.0050.00314.55
5.6.320.0030.00614.59
5.6.310.0040.01114.55
5.6.300.0060.00814.31
5.6.290.0100.00614.50
5.6.280.0030.04117.78
5.6.270.0060.00814.25
5.6.260.0040.00714.25
5.6.250.0040.00414.34
5.6.240.0070.00714.42
5.6.230.0090.00314.01
5.6.220.0000.01514.21
5.6.210.0050.04117.29
5.6.200.0020.02716.18
5.6.190.0050.02617.27
5.6.180.0220.02317.25
5.6.170.0140.01917.47
5.6.160.0110.02517.29
5.6.150.0050.04716.40
5.6.140.0040.02416.31
5.6.130.0050.04416.10
5.6.120.0070.02117.68
5.6.110.0060.04717.63
5.6.100.0090.04517.68
5.6.90.0080.04517.57
5.6.80.0090.03817.50
5.6.70.0060.00914.42
5.6.60.0110.00314.05
5.6.50.0000.01714.09
5.6.40.0070.00414.34
5.6.30.0040.00814.13
5.6.20.0030.01314.16
5.6.10.0130.00014.28
5.6.00.0060.00614.26
5.5.380.0090.00614.01
5.5.370.0040.00414.40
5.5.360.0030.01214.43
5.5.350.0130.04117.45
5.5.340.0080.02816.27
5.5.330.0050.02517.13
5.5.320.0150.02717.30
5.5.310.0170.03217.33
5.5.300.0060.02316.17
5.5.290.0090.04016.08
5.5.280.0030.04717.52
5.5.270.0150.03717.56
5.5.260.0050.02417.47
5.5.250.0100.03517.39
5.5.240.0120.04017.06
5.5.230.0030.00914.42
5.5.220.0110.00314.29
5.5.210.0060.00614.31
5.5.200.0030.01014.25
5.5.190.0100.00714.03
5.5.180.0060.00914.42
5.5.170.0030.01014.41
5.5.160.0030.01014.37
5.5.150.0040.01214.17
5.5.140.0070.00714.08
5.5.130.0030.01314.36
5.5.120.0030.00914.20
5.5.110.0050.00514.57
5.5.100.0080.00414.23
5.5.90.0090.00314.41
5.5.80.0060.00914.02
5.5.70.0030.01014.28
5.5.60.0030.01314.16
5.5.50.0000.00814.21
5.5.40.0000.01614.28
5.5.30.0040.00914.31
5.5.20.0110.00613.94
5.5.10.0130.00013.99
5.5.00.0000.01614.10
5.4.450.0110.02715.68
5.4.440.0570.04115.64
5.4.430.0390.02915.70
5.4.420.0200.02915.56
5.4.410.0450.03015.64
5.4.400.0400.02615.30
5.4.390.0350.03715.50
5.4.380.0250.03315.25
5.4.370.0210.02615.25
5.4.360.0120.03415.16
5.4.350.0100.03715.25
5.4.340.0260.04015.29
5.4.330.0040.00811.81
5.4.320.0050.02112.13
5.4.310.0090.01912.13
5.4.300.0040.02112.13
5.4.290.0030.02112.13
5.4.280.0050.02012.08
5.4.270.0060.02312.08
5.4.260.0060.02312.08
5.4.250.0070.02112.08
5.4.240.0040.02312.08
5.4.230.0060.02012.08
5.4.220.0090.01812.08
5.4.210.0070.01912.07
5.4.200.0050.02312.08
5.4.190.0040.02212.08
5.4.180.0040.02312.08
5.4.170.0020.02612.08
5.4.160.0060.01912.08
5.4.150.0030.02312.08
5.4.140.0060.02511.92
5.4.130.0090.01911.91
5.4.120.0070.02311.89
5.4.110.0070.02111.89
5.4.100.0040.02011.89
5.4.90.0060.01911.89
5.4.80.0060.02311.89
5.4.70.0030.02211.89
5.4.60.0040.02211.88
5.4.50.0050.02511.88
5.4.40.0040.02111.88
5.4.30.0020.02211.88
5.4.20.0050.02311.88
5.4.10.0070.02011.88
5.4.00.0040.02011.63
5.3.290.0050.03912.80
5.3.280.0060.03712.71
5.3.270.0090.03512.72
5.3.260.0080.04112.72
5.3.250.0090.03412.72
5.3.240.0050.03712.72
5.3.230.0100.03912.71
5.3.220.0110.04312.68
5.3.210.0080.05512.68
5.3.200.0080.05312.68
5.3.190.0110.04812.68
5.3.180.0080.03912.67
5.3.170.0060.03812.67
5.3.160.0120.03312.68
5.3.150.0060.04912.67
5.3.140.0030.04112.66
5.3.130.0070.03812.66
5.3.120.0050.04212.65
5.3.110.0090.04212.66
5.3.100.0050.04712.12
5.3.90.0050.03812.08
5.3.80.0100.03212.07
5.3.70.0100.03212.08
5.3.60.0080.03312.06
5.3.50.0080.03312.00
5.3.40.0040.03712.00
5.3.30.0110.02911.94
5.3.20.0070.03311.72
5.3.10.0070.03311.69
5.3.00.0040.03711.68
5.2.170.0050.0299.18
5.2.160.0030.0309.18
5.2.150.0080.0269.18
5.2.140.0030.0319.17
5.2.130.0040.0299.13
5.2.120.0070.0259.14
5.2.110.0050.0329.14
5.2.100.0100.0339.14
5.2.90.0040.0309.14
5.2.80.0060.0299.13
5.2.70.0070.0289.13
5.2.60.0040.0329.09
5.2.50.0020.0439.06
5.2.40.0040.0299.04
5.2.30.0040.0299.01
5.2.20.0060.0279.00
5.2.10.0040.0308.94
5.2.00.0090.0358.79
5.1.60.0050.0238.08
5.1.50.0040.0348.07
5.1.40.0040.0248.05
5.1.30.0060.0238.41
5.1.20.0060.0278.43
5.1.10.0040.0268.15
5.1.00.0060.0238.15
5.0.50.0040.0196.63
5.0.40.0040.0186.49
5.0.30.0040.0306.30
5.0.20.0040.0186.27
5.0.10.0020.0216.24
5.0.00.0050.0296.24
4.4.90.0020.0154.78
4.4.80.0020.0164.76
4.4.70.0020.0164.75
4.4.60.0010.0174.76
4.4.50.0010.0164.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0020.0184.84
4.4.10.0050.0204.85
4.4.00.0050.0314.76
4.3.110.0040.0144.66
4.3.100.0060.0164.66
4.3.90.0020.0154.64
4.3.80.0030.0254.59
4.3.70.0040.0144.63
4.3.60.0040.0134.63
4.3.50.0000.0184.63
4.3.40.0030.0234.54
4.3.30.0020.0163.29
4.3.20.0020.0163.27
4.3.10.0020.0153.23
4.3.00.0070.0206.92

preferences:
72.28 ms | 401 KiB | 5 Q