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)) < 3){ $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)
8.3.40.0090.00618.66
8.3.30.0100.00719.09
8.3.20.0080.00020.34
8.3.10.0060.00320.53
8.3.00.0040.00419.38
8.2.170.0060.00922.96
8.2.160.0030.01020.44
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0070.00026.16
8.2.120.0050.00222.06
8.2.110.0000.00922.27
8.2.100.0040.00819.70
8.2.90.0080.00018.16
8.2.80.0080.00017.97
8.2.70.0050.00317.63
8.2.60.0060.00317.93
8.2.50.0000.00918.10
8.2.40.0000.00818.34
8.2.30.0000.00719.23
8.2.20.0070.00017.82
8.2.10.0030.00617.99
8.2.00.0080.00017.73
8.1.270.0080.00022.03
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00423.97
8.1.230.0050.00522.52
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0060.00317.10
8.1.180.0050.00318.10
8.1.170.0040.00718.59
8.1.160.0000.00721.97
8.1.150.0050.00218.85
8.1.140.0000.00717.51
8.1.130.0000.00717.73
8.1.120.0000.00717.48
8.1.110.0030.00417.48
8.1.100.0030.00417.36
8.1.90.0040.00417.50
8.1.80.0000.00717.36
8.1.70.0000.00717.47
8.1.60.0050.00317.50
8.1.50.0080.00017.48
8.1.40.0040.00417.46
8.1.30.0060.00317.61
8.1.20.0070.00317.57
8.1.10.0040.00417.52
8.1.00.0000.00817.48
8.0.300.0040.00421.86
8.0.290.0050.00316.75
8.0.280.0000.00718.50
8.0.270.0000.00717.20
8.0.260.0000.00617.16
8.0.250.0030.00316.83
8.0.240.0000.00616.82
8.0.230.0040.00416.96
8.0.220.0080.00016.87
8.0.210.0030.00316.85
8.0.200.0000.00617.00
8.0.190.0040.00416.82
8.0.180.0070.00016.79
8.0.170.0000.00716.80
8.0.160.0030.00516.91
8.0.150.0000.00716.73
8.0.140.0040.00416.86
8.0.130.0000.00713.40
8.0.120.0000.00816.70
8.0.110.0000.00716.82
8.0.100.0050.00216.66
8.0.90.0040.00416.95
8.0.80.0030.01116.86
8.0.70.0050.00216.71
8.0.60.0070.00016.89
8.0.50.0020.00516.86
8.0.30.0070.01217.13
8.0.20.0150.00917.40
8.0.10.0000.00716.89
8.0.00.0100.00716.67
7.4.330.0050.00015.03
7.4.320.0000.00616.61
7.4.300.0030.00316.50
7.4.290.0000.00716.61
7.4.280.0030.00516.54
7.4.270.0060.00016.50
7.4.260.0040.00416.57
7.4.250.0030.00616.34
7.4.240.0020.00616.56
7.4.230.0070.00016.66
7.4.220.0110.00716.71
7.4.210.0100.00316.53
7.4.200.0030.00616.52
7.4.160.0100.01016.54
7.4.150.0060.01217.40
7.4.140.0130.00417.86
7.4.130.0070.01016.51
7.4.120.0060.01116.57
7.4.110.0140.00316.43
7.4.100.0030.01416.45
7.4.90.0120.00916.48
7.4.80.0100.00718.63
7.4.70.0090.00616.37
7.4.60.0100.01016.48
7.4.50.0050.00316.53
7.4.40.0080.00816.57
7.4.30.0070.01016.39
7.4.10.0060.01015.08
7.4.00.0070.00914.98
7.3.330.0060.00013.20
7.3.320.0050.00013.25
7.3.310.0030.00316.28
7.3.300.0000.00716.21
7.3.290.0090.00616.29
7.3.280.0120.00616.35
7.3.270.0060.01217.40
7.3.260.0090.01016.27
7.3.250.0100.00616.44
7.3.240.0060.01316.51
7.3.230.0140.00416.61
7.3.210.0080.00816.43
7.3.200.0070.01019.39
7.3.190.0070.01016.23
7.3.180.0100.00616.60
7.3.170.0030.01916.61
7.3.160.0060.00916.51
7.3.130.0150.00315.08
7.3.120.0100.01014.81
7.3.110.0140.00714.99
7.3.100.0060.00914.83
7.3.90.0120.00314.90
7.3.80.0040.01114.90
7.3.70.0030.00714.79
7.3.60.0070.00714.84
7.3.50.0070.00314.80
7.3.40.0030.00614.63
7.3.30.0130.00014.76
7.3.20.0000.00916.55
7.3.10.0020.01016.66
7.3.00.0050.00716.60
7.2.330.0130.00416.69
7.2.320.0090.01216.79
7.2.310.0070.01416.50
7.2.300.0090.00616.74
7.2.290.0100.00716.38
7.2.260.0040.01514.88
7.2.250.0040.01514.93
7.2.240.0060.00914.80
7.2.230.0140.00414.99
7.2.220.0090.00915.18
7.2.210.0120.00415.04
7.2.200.0050.00514.73
7.2.190.0030.01515.14
7.2.180.0080.00314.96
7.2.170.0070.01015.16
7.2.160.0060.01015.02
7.2.150.0100.00316.84
7.2.140.0070.00716.72
7.2.130.0080.00516.79
7.2.120.0060.00516.73
7.2.110.0050.00716.81
7.2.100.0050.00716.96
7.2.90.0070.00417.11
7.2.80.0020.00916.87
7.2.70.0100.00516.92
7.2.60.0040.00916.83
7.2.50.0070.00516.93
7.2.40.0050.00616.99
7.2.30.0040.00716.99
7.2.20.0030.00616.87
7.2.10.0090.00516.81
7.2.00.0060.00817.55
7.1.330.0030.01215.65
7.1.320.0110.00716.00
7.1.310.0060.00715.89
7.1.300.0040.01415.64
7.1.290.0060.00315.82
7.1.280.0040.01115.89
7.1.270.0030.01315.95
7.1.260.0040.00415.64
7.1.250.0050.00715.79
7.1.240.0030.01015.74
7.1.230.0060.00815.58
7.1.220.0000.01115.77
7.1.210.0020.00815.56
7.1.200.0060.00515.89
7.1.190.0060.00815.70
7.1.180.0050.00815.74
7.1.170.0040.00715.69
7.1.160.0040.00615.68
7.1.150.0070.00515.80
7.1.140.0020.00715.93
7.1.130.0070.00415.84
7.1.120.0050.00415.69
7.1.110.0050.00715.83
7.1.100.0110.00216.59
7.1.90.0050.00715.89
7.1.80.0020.00815.88
7.1.70.0060.00716.25
7.1.60.0040.00817.02
7.1.50.0070.00616.18
7.1.40.0080.00615.78
7.1.30.0040.00915.80
7.1.20.0030.01015.82
7.1.10.0080.00715.84
7.1.00.0060.02717.98
7.0.330.0020.01015.43
7.0.320.0040.00715.40
7.0.310.0020.00715.49
7.0.300.0070.00615.30
7.0.290.0070.00315.45
7.0.280.0030.01015.29
7.0.270.0040.00915.27
7.0.260.0050.00515.32
7.0.250.0040.00615.28
7.0.240.0050.00915.23
7.0.230.0050.00715.53
7.0.220.0030.00615.35
7.0.210.0070.00515.23
7.0.200.0040.00615.67
7.0.190.0060.00815.28
7.0.180.0050.00915.45
7.0.170.0080.00615.38
7.0.160.0060.00415.43
7.0.150.0070.00515.44
7.0.140.0050.03017.58
7.0.130.0050.00415.53
7.0.120.0070.00715.38
7.0.110.0080.00715.41
7.0.100.0080.00715.52
7.0.90.0080.00615.29
7.0.80.0020.00815.29
7.0.70.0070.00715.59
7.0.60.0040.02816.92
7.0.50.0070.02716.25
7.0.40.0090.03115.70
7.0.30.0150.03115.69
7.0.20.0050.02515.68
7.0.10.0070.01815.56
7.0.00.0070.03215.59
5.6.400.0070.00714.61
5.6.390.0040.01114.52
5.6.380.0090.00414.66
5.6.370.0060.00814.35
5.6.360.0060.00714.30
5.6.350.0060.00414.47
5.6.340.0030.00814.33
5.6.330.0070.00514.32
5.6.320.0060.00814.24
5.6.310.0050.00714.52
5.6.300.0110.00314.38
5.6.290.0070.00514.57
5.6.280.0070.02616.47
5.6.270.0070.00514.45
5.6.260.0020.00814.38
5.6.250.0080.00714.50
5.6.240.0060.00314.26
5.6.230.0050.00514.21
5.6.220.0060.00614.29
5.6.210.0050.03216.48
5.6.200.0040.01815.56
5.6.190.0090.01616.34
5.6.180.0230.02416.33
5.6.170.0060.01816.36
5.6.160.0050.03316.35
5.6.150.0080.03015.60
5.6.140.0080.03215.47
5.6.130.0040.03215.72
5.6.120.0070.03116.51
5.6.110.0050.03416.61
5.6.100.0070.02616.53
5.6.90.0100.02616.54
5.6.80.0020.03416.25
5.6.70.0020.01314.31
5.6.60.0040.00714.48
5.6.50.0070.00814.21
5.6.40.0110.00314.36
5.6.30.0040.00914.09
5.6.20.0030.01014.52
5.6.10.0060.00814.19
5.6.00.0110.00514.13
5.5.380.0080.00012.72
5.5.370.0050.00712.55
5.5.360.0050.00712.86
5.5.350.0130.02515.10
5.5.340.0030.02514.38
5.5.330.0040.01915.25
5.5.320.0190.02115.23
5.5.310.0170.01915.30
5.5.300.0070.01414.36
5.5.290.0100.02014.36
5.5.280.0060.03115.53
5.5.270.0060.03215.31
5.5.260.0050.03215.28
5.5.250.0070.03115.23
5.5.240.0770.01415.09
5.5.230.0020.00812.33
5.5.220.0020.00712.68
5.5.210.0070.00612.77
5.5.200.0060.00612.44
5.5.190.0020.00912.50
5.5.180.0030.00812.50
5.5.170.0060.00512.79
5.5.160.0030.00512.55
5.5.150.0000.01112.45
5.5.140.0080.00612.52
5.5.130.0060.00612.71
5.5.120.0050.00612.56
5.5.110.0030.00612.77
5.5.100.0090.00312.79
5.5.90.0040.00612.74
5.5.80.0050.00712.58
5.5.70.0030.00712.68
5.5.60.0070.00612.51
5.5.50.0030.00512.59
5.5.40.0020.01012.71
5.5.30.0050.00712.74
5.5.20.0060.00712.65
5.5.10.0070.00612.69
5.5.00.0030.00512.66
5.4.450.0100.01914.13
5.4.440.0370.01914.07
5.4.430.0070.02514.09
5.4.420.0340.02214.01
5.4.410.0250.02414.03
5.4.400.0340.01914.12
5.4.390.0330.02713.83
5.4.380.0120.02613.66
5.4.370.0130.02413.76
5.4.360.0110.02613.80
5.4.350.0120.02213.83
5.4.340.0120.02113.72
5.4.330.0070.00211.30
5.4.320.0060.01711.79
5.4.310.0070.01711.58
5.4.300.0030.01811.60
5.4.290.0040.01611.66
5.4.280.0020.01911.59
5.4.270.0040.01911.59
5.4.260.0070.01711.71
5.4.250.0050.02211.74
5.4.240.0090.01611.66
5.4.230.0040.01911.74
5.4.220.0050.01811.81
5.4.210.0050.01411.68
5.4.200.0060.01411.61
5.4.190.0060.01611.61
5.4.180.0070.01711.67
5.4.170.0040.01811.62
5.4.160.0030.01811.65
5.4.150.0020.01911.65
5.4.140.0040.01711.61
5.4.130.0050.01711.58
5.4.120.0040.01711.47
5.4.110.0090.01411.51
5.4.100.0040.01611.64
5.4.90.0060.01511.57
5.4.80.0050.01611.61
5.4.70.0050.01611.55
5.4.60.0020.02011.59
5.4.50.0050.01611.59
5.4.40.0050.01611.62
5.4.30.0030.01811.56
5.4.20.0100.01511.53
5.4.10.0060.01311.58
5.4.00.0040.01811.41
5.3.290.0080.02311.61
5.3.280.0080.02011.56
5.3.270.0060.01911.68
5.3.260.0050.02211.60
5.3.250.0030.02111.63
5.3.240.0040.02011.62
5.3.230.0040.02311.51
5.3.220.0050.02011.54
5.3.210.0070.02011.52
5.3.200.0090.02011.43
5.3.190.0040.02411.56
5.3.180.0070.01911.52
5.3.170.0040.02211.52
5.3.160.0060.02011.60
5.3.150.0060.01911.58
5.3.140.0070.01911.57
5.3.130.0050.02211.57
5.3.120.0030.02311.55
5.3.110.0050.02111.63
5.3.100.0040.02211.35
5.3.90.0050.02211.25
5.3.80.0060.02111.18
5.3.70.0070.01911.22
5.3.60.0040.02411.18
5.3.50.0080.01911.16
5.3.40.0060.02111.09
5.3.30.0060.02211.12
5.3.20.0050.02211.08
5.3.10.0070.01810.83
5.3.00.0030.02110.97
5.2.170.0070.0169.36
5.2.160.0080.0159.38
5.2.150.0050.0169.25
5.2.140.0040.0179.22
5.2.130.0070.0159.21
5.2.120.0030.0179.31
5.2.110.0070.0169.32
5.2.100.0040.0169.32
5.2.90.0070.0149.26
5.2.80.0060.0169.27
5.2.70.0020.0219.20
5.2.60.0040.0179.19
5.2.50.0100.0169.26
5.2.40.0030.0169.16
5.2.30.0050.0189.17
5.2.20.0050.0179.14
5.2.10.0050.0189.10
5.2.00.0050.0159.03
5.1.60.0050.0138.67
5.1.50.0060.0148.67
5.1.40.0050.0148.67
5.1.30.0030.0168.84
5.1.20.0070.0228.85
5.1.10.0050.0168.71
5.1.00.0020.0168.71
5.0.50.0060.0107.95
5.0.40.0040.0097.88
5.0.30.0050.0187.79
5.0.20.0070.0097.77
5.0.10.0040.0127.76
5.0.00.0080.0147.76
4.4.90.0040.0097.02
4.4.80.0030.0107.01
4.4.70.0030.0117.02
4.4.60.0050.0077.01
4.4.50.0020.0097.02
4.4.40.0010.0166.99
4.4.30.0030.0137.02
4.4.20.0040.0117.06
4.4.10.0040.0097.06
4.4.00.0020.0167.02
4.3.110.0040.0096.97
4.3.100.0040.0096.97
4.3.90.0020.0126.95
4.3.80.0040.0136.93
4.3.70.0030.0106.95
4.3.60.0040.0106.95
4.3.50.0030.0106.95
4.3.40.0030.0156.90
4.3.30.0010.0126.28
4.3.20.0010.0126.27
4.3.10.0020.0096.25
4.3.00.0070.0108.10

preferences:
51.45 ms | 400 KiB | 5 Q